# brain
## English
### Etymology

Picture dictionary :
head
skull
brain
eye
lip
nose
mouth
chin
jaw
ear
temple
neck :
From Middle English brayn, brain, from Old English bræġn (“brain”), from Proto-West Germanic *bragn, from Proto-Germanic *bragną (“brain”), from Proto-Indo-European *mregʰnom (“skull, brain”), from Proto-Indo-European *mregʰ- (“marrow, sinciput”) + *-mn̥ (“nominal suffix”).
Cognate with Scots braine, brane (“brain”), North Frisian brayen, brein (“brain”), Saterland Frisian Brainge (“brain”), West Frisian brein (“brain”), Dutch brein (“brain”), Low German Brägen, Bregen (“brain”) (whence German Bregen (“animal brain”)), Ancient Greek βρεχμός (brekhmós, “front part of the skull, top of the head”).

### Pronunciation

* enPR: brān, IPA: /bɹeɪn/
* Audio (UK):(file)
* Audio (US):(file)
* Homophone: brane
* Rhymes: -eɪn

### Noun

brain (countable and uncountable, plural brains)
* The control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action.
    Synonyms: encephalon, harns; see also Thesaurus:brain
** 1587, Philip of Mornay [i.e., Philippe de Mornay], “That there is but Onely One God”, in Philip Sidney, Arthur Golding, transl., A Woorke Concerning the Trewnesse of the Christian Religion, […], London: […] [John Charlewood and] George Robinson for Thomas Cadman, […], →OCLC, page 18:The Ueynes are ſpred foorth throughout the whole bodie, howbeit from one welhead, that is to ſay from the Liuer: ſo be the Sinews, howbeit from the Brayne; So likewiſe are the Heartſtrings, howbeit from the Heart.
** 2013 July 19, Ian Sample, “Irregular bedtimes may affect children's brains”, in The Guardian Weekly‎, volume 189, number 6, page 34:Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits. ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.
** A part of the brain, especially associated with particular mental functions, abilities, etc.
*** 1892, Benjamin Ward Richardson, The Asclepiad, London, page 357:The left brain, or that which supplies and animates the right side of the body, is the most active brain, as a general rule.
*** 1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 113:What is expressed in the lotus, the plumed serpent, or the staff of Osiris is the yogi's knowledge of the three brains of man. The first brain is the reptilian brain of the spinal cord, the brain of instinctive reflexes, the brain of the subconscious.
* (informal) Mind.
    I have too much on my brain today.
** 1850, [Alfred, Lord Tennyson], In Memoriam, London: Edward Moxon, […], →OCLC, Canto XIV, page 22:And I should tell him all my pain, / ⁠And how my life had droop’d of late, / ⁠And he should sorrow o’er my state / And marvel what possess’d my brain; […]
* (in the plural) Intellect.
** 2008 Quaker Action (magazine) Rights trampled in rush to deport immigrant workers, Fall 2008, Vol. 89, No. 3, p. 8:
    "We provided a lot of brains and a lot of heart to the response when it was needed," says Sandra Sanchez, director of AFSC's Immigrants' Voice Program in Des Moines.
    She has a lot of brains.
* (informal) An intelligent person.
    Synonyms: see Thesaurus:genius
    She was a total brain.
** 2017, BioWare, Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Nexus:Peebee: The brains and I are comparing Remnant notes and filling in the blanks.
** (plural only) A person who provides the intelligence required for something.
    He is the brains behind the scheme.
** (in the singular) An intellectual or mental capacity.
    Gerald always acts like he doesn't have a brain.
* By analogy with a human brain, the part of a machine or computer that performs calculations.
    The computer's brain is capable of millions of calculations a second.
* (slang, vulgar, uncountable) Oral sex.
** 2007, “Good Life”, in Graduation, performed by Kanye West ft. T-Pain:Have you ever popped champagne on a plane, while gettin' some brain?
** 2012, Mack Maine featuring Turk and Mystikal, I'm On It:You said I got brain from your dame in the range / In the passing lane / But you really ain't got no proof
** 2012, “Boss Ass Bitch”, performed by PTAF:Got your nigga going / Going insane and so do I when he give me brain
** 2018, “Squidrific”, performed by SahBabii:She giving brain / She eat the dick up like some M&Ms
* A loose compartment of a backpack that straps on over the top opening.

#### Alternative forms

* brayne (obsolete)

#### Derived terms

* addle-brain
* afterbrain
* assbrain
* baby brain
* battle of the brains
* beanbrain
* beat one's brain
* beat one's brains out
* beat someone's brains out
* beetlebrain
* bend the brain
* big brain
* bird brain
* birdbrain
* bird of one's own brain
* blood-brain barrier
* blow someone's brains out
* blubberbrain
* Boltzmann brain
* booger brain
* bored out of one's brains
* Bowmar Brain
* brainal
* brainball
* brain-bending
* brain bleach
* brain bleed
* brainbox
* brain bucket
* brain-bucket
* brainbuster
* brain cancer
* brain candy
* braincase
* braincast
* brain cell
* brainchild
* brain chip
* brain cloud
* brain coral
* braincraft
* brain cramp
* brain-cramp
* brain damage
* brain-damaged
* braindance
* brain day
* brain-dead
* brain dead, braindead
* brain death
* brain disease
* brain disorder
* brain doctor
* brain drain
* brain-dressed
* brain dump
* brainectomy
* brainer
* brain fade
* brain fag
* brain farm
* brain fart
* brainfest
* brain fever
* brain-fever
* brain-fever bird
* brain fingerprinting
* brain fluid
* brain fog
* brain food
* brainfood
* brain freeze
* brainfuck
* Brainfuck
* brainful
* brain-gain
* brain gain
* braingasm
* brain graph
* braingraph
* brain grey
* brain heavy
* brainhood
* brainiac
* brainial
* brain imaging
* brain implant
* brainish
* brainist
* brainless
* brainlet
* brainlike
* brain like a sieve
* brainlock
* brainly
* brain-melting
* brain-meltingly
* brain mushroom
* brain-numbing
* brainordinate
* brain-pan
* brainpan
* brain-picking
* brainpower
* brain-rot
* brain rot
* brain sand
* brainscan
* brain-scanner
* brain scanner
* brain science
* brainsick
* brainspace
* brain-stabbing
* brain stem, brainstem
* brainstorm
* brain-storm
* brain storm
* brains trust
* brains-truster
* brain sugar
* brain surgeon
* brain surgery
* brain-tape
* braintape
* brainteaser
* brain-teaser, brainteaser
* brainteasing
* brain traffic
* brain trick
* brain trust
* brain tumor, brain tumour
* brainwash
* brain-washing
* brainwashing
* brainwave
* brain wave
* brain weary
* brainwide
* brainwipe
* brainwork
* brain worker
* brainworker
* brainworm
* brain worm
* brain-worm
* brain-wormed
* brainwriting
* brainy
* brain zap
* bubble brain
* car brain
* chemo brain
* chemobrain
* cockbrain
* crackbrain
* critical brain hypothesis
* cudgel one's brain
* cudgel one's brains
* cumbrain
* debrain
* deep brain stimulation
* der-brain
* dick-brain
* dickbrain
* dirtbrain
* doodlebrain
* dur-brain
* durr-brain
* eigenbrain
* electronic brain
* endbrain
* featherbrain
* feather-brain
* featherbrained
* fish-brain
* fleabrain
* forebrain
* Fox News brain
* fuckbrain
* fuck someone's brains out
* galaxy brain
* galaxy-brain
* give brain
* hairbrained
* half a brain
* harebrain
* harebrained
* hemibrain
* hindbrain
* hot-brain
* interbrain
* intrabrain
* jellybrain
* jingle brains
* jingle-brains
* Jupiter brain
* lackbrain
* lame brain
* lamebrain
* lame-brain
* laserbrain
* leaky brain syndrome
* left brain
* lizard brain
* madbrain
* Matrioshka brain
* microbrain
* midbrain
* minimal brain dysfunction
* mommy brain
* more money than brains
* musclebrain
* muscle-eye-brain disease
* nerdbrain
* no-brainer
* nonbrain
* on the brain
* organic brain syndrome
* outbrain
* pea brain
* peabrain
* pea-brain
* peripheral brain
* permanent brain
* pick someone's brain
* pick someone's brains
* pregnancy brain
* pudding-brain
* puke one's brains out
* rack one's brain, rack one's brains
* rack one's brains
* rattlebrain
* reptilian brain
* reverse brain drain
* right brain
* roof-brain chatter
* scatterbrain
* scatterbrained
* second brain
* shitbrain
* shit for brains
* shit-for-brains
* smell-brain
* smooth brain
* smooth-brained
* split brain
* squirrel-brain
* superbrain
* tardbrain
* ticklebrain
* tornado brain
* trash for brains
* traumatic brain injury
* triune brain
* 'tweenbrain
* 'twixt-brain
* wash one's brain out with soap
* water on the brain
* wetbrain
* wet brain
* wrack one's brain
* wrack one's brains
* yellow brain
* yellow brain fungus
* yes-brainer

#### Translations

Abkhaz: ахшыбаҩ (axŝəbajʷ)
Adyghe: please add this translation if you can
Afrikaans: brein (af), harsings (af) pl
Aklanon: utok
Albanian: tru (sq) m
Amharic: አንጎል (ʾängol)
Apache:
Western Apache: bitsighąąʼ
Arabic: دِمَاغ m (dimāḡ), مخ m (muḵḵ)
Egyptian Arabic: مخ m (muḵḵ), نفوخ m (nafūḵ)
Hijazi Arabic: دِماغ m (dimāḡ), مُخ m (muḵḵ)
Moroccan Arabic: مخ m (muḵḵ), دماغ m (dmāḡ)
North Levantine Arabic: دماغ m (dmāḡ), مخ m (miḵḵ)
South Levantine Arabic: مخ m (muḵḵ), دماغ m (dmāḡ)
Aragonese: celebro
Aramaic:
Classical Syriac: ܡܘܚܐ m (mūḥā)
Armenian: ուղեղ (hy) (uġeġ)
Aromanian: crier m, mãduã f, midulj n
Assamese: মগজু (mogozu)
Asturian: cerebru (ast) m
Azerbaijani: beyin (az)
Bashkir: мейе (meye)
Basque: garun (eu)
Bau Bidayuh: otok, otok
Belarusian: мозг m (mozh), мо́заг m (mózah) (Taraškievica)
Bengali: মস্তিষ্ক (bn) (mostiśko), মগজ (bn) (mogoj)
Bhojpuri: दिमाग (dimāg)
Bikol Central: hutok (bcl)
Binukid: utek
Breton: empenn (br) m
Buginese: uta
Bulgarian: мо́зък (bg) m (mózǎk)
Burmese: ဦးနှောက် (my) (u:hnauk)
Buryat: тархи (tarxi)
Carpathian Rusyn: мо́зоґ m (mózog)
Catalan: cervell (ca) m
Cebuano: utok
Chechen: хье (ḥʳe), хьекъал (ḥʳeqʼal)
Cherokee: ᎤᏅᏥᏓ (unvtsida)
Chinese:
Cantonese: 腦 / 脑 (nou$^5$), 腦部 / 脑部 (nou$^5$ bou$^6$)
Dungan: нозы (nozɨ)
Eastern Min: 頭腦 / 头脑 (tàu-nō̤)
Hakka: 頭腦 / 头脑 (thèu-nó)
Hokkien: 腦 / 脑 (zh-min-nan) (náu), 腦部 / 脑部 (zh-min-nan) (náu-pō͘)
Mandarin: 頭腦 / 头脑 (zh) (tóunǎo), 腦 / 脑 (zh) (nǎo), 腦部 / 脑部 (zh) (nǎobù), 腦子 / 脑子 (zh) (nǎozi)
Northern Min: 頭腦 / 头脑 (tê-nǎu)
Wu: 腦 / 脑 ($^6$nau), 腦子 / 脑子 ($^6$nau-tsy)
Chuvash: миме (mime)
Cornish: ympynnyon
Crimean Tatar: miy, dimağ
Czech: mozek (cs) m
Dakota: nasúna
Dalmatian: carviale m
Danish: hjerne (da) c
Dargwa: мехӏе (meḥe)
Dhivehi: ސިކުނޑި (sikuⁿḍi)
Dupaningan Agta: utak
Dutch: hersenen (nl) pl, hersens (nl) pl, brein (nl) n
Eastern Arrernte: akurrknge
Egyptian: (ꜣjs n ḏnnt m), (ꜥmm m)
Elfdalian: ienne m
Erzya: пряудем (pŕaudem), удем (udem)
Esperanto: cerbo (eo), encefalo
Estonian: aju (et)
Even: иргэ (irgə)
Evenki: иргэ (irgə)
Faroese: heili m
Finnish: aivot (fi) pl
French: cerveau (fr) m, (pejorative or when used as food) cervelle (fr) f, encéphale (fr) m
Friulian: cerviel m, čurviel m
Galician: cerebro (gl) m
Georgian: ტვინი (ṭvini)
German: Gehirn (de) n, Hirn (de) n
Greek: εγκέφαλος (el) m (egkéfalos), (when used as food) μυαλά (el) n pl (myalá)
Ancient: ἐγκέφαλος m (enképhalos)
Greenlandic: qarasaq
Gujarati: મગજ (gu) (magaj)
Guugu Yimidhirr: garu
Haitian Creole: sèvo, sèvèl
Hawaiian: lolo
Hebrew: מוח \ מֹחַ (he) m (móakh)
Higaonon: otok
Hiligaynon: utok
Hindi: भेजा (hi) m (bhejā), मस्तिष्क (hi) m (mastiṣk), दिमाग़ m (dimāġ), मग़्ज़ m (maġz), मग्ज (hi) m (magj)
Hungarian: agy (hu)
Icelandic: heili (is) m
Ido: cerebro (io)
Ilocano: utek
Indonesian: otak (id), benak (id)
Ingrian: aivo
Ingush: хьоа (ḥʳoa)
Interlingua: cerebro
Irish: inchinn f
Italian: cervello (it) m, (pejorative or when used as food) cervella f pl
Ivatan: otek
Japanese: 脳 (ja) (のう, nō), 脳髄 (ja) (のうずい, nōzui), 頭脳 (ja) (ずのう, zunō), 脳 (ja) (なずき, nazuki)
Javanese: utek (jv)
Jeju: 머릿골 (meoritgol), 골머리 (golmeori)
Kabuverdianu:
ALUPEC: cerébr'
Badiu: sirébru
São Vicente: cerebro
Kala Lagaw Ya: please add this translation if you can
Kalmyk: экн (ekn)
Kannada: ಮೆದುಳು (kn) (meduḷu), ಮಸ್ತಿಷ್ಕ (kn) (mastiṣka), ಮಿದುಳು (kn) (miduḷu)
Kapampangan: utak
Karelian: aivot
Kashubian: mùsk m
Kaurna: mukamuka, ngarrumuka
Kazakh: ми (mi)
Khiamniungan Naga: khǖîe
Khmer: ខួរក្បាល (khuə kbaal)
Kikuyu: tombo
Kiput: utek
Komi-Permyak: вем (vem)
Komi-Zyrian: вем (vem)
Korean: 뇌(腦) (ko) (noe), 두뇌(頭腦) (ko) (dunoe), 골 (ko) (gol), 머릿골 (meoritgol)
Kurdish:
Central Kurdish: مێشک (ckb) (mêşk)
Northern Kurdish: demax (ku) m, mejî (ku) m
Kyrgyz: мээ (ky) (mee)
Lak: ня (naˤ)
Lao: ສະໝອງ (lo) (sa mǭng)
Latgalian: smedzinis pl
Latin: cerebrum n
Latvian: smadzenes pl
Lenakel: nenourək
Lezgi: мефтӏ (mefṭ)
Lithuanian: smegenys f pl
Lombard: cervell
Low German: Brägen (nds) m
Lü: ᦀᦸᧅᧈᦶᦀᧅᧈ (˙ʼoak¹˙ʼaek¹)
Luxembourgish: Gehir
Macedonian: мозок m (mozok)
Makasar: uta
Malagasy: atidoha (mg)
Malay: otak (ms), benak
Malayalam: തലച്ചോറ് (talaccōṟ‌), മൂള (ml) (mūḷa), മസ്തിഷ്കം (ml) (mastiṣkaṁ)
Maltese: moħħ m
Manchu: ᡶᡝᡥᡳ (fehi)
Mansaka: otok
Maori: roro
Maranao: otek
Marathi: मेंदू m (mendū)
Mari:
Eastern Mari: вем (vem), вуйдорык (vujdoryk)
Moksha: уй (uj)
Mongolian:
Cyrillic: тархи (mn) (tarxi)
Mongolian: ᠲᠠᠷᠢᠬᠢ (tariki)
Nahuatl: cuātextli (nah)
Nanai: игэ (ige)
Navajo: atsiighąąʼ
Nepali: मस्तिष्क (mastiṣka)
Nivkh: ӈаўр̌к (ŋawřk)
Norman: chèrvé m
North Frisian: Brain (Sylt)
Northern Thai: ᩋᩬᨠᩋᩴᩬ
Norwegian:
Bokmål: hjerne m
Nynorsk: hjerne m, heile m
Occitan: cervèl (oc) m
Odia: ମସ୍ତିଷ୍କ (or) (mastishka)
Ojibwe: (my brain) niinindib
Old Church Slavonic:
Cyrillic: мозгъ m (mozgŭ)
Glagolitic: ⰿⱁⰸⰳⱏ m (mozgŭ)
Old East Slavic: мозгъ m (mozgŭ)
Old English: bræġn n
Old High German: hirni n
Old Saxon: hirni n
Old Slovak: mozgy m pl
Oromo: sammuu
Ossetian: магъз (maǧz)
Ottoman Turkish: بینی (beyni), دماغ (demağ), مغز (mağz), مخ (muh)
Pali: matthaluṅga
Pannonian Rusyn: мозоґ m (mozog)
Pashto: ماغزه (ps) (māğza)
Pattani Malay: اوْتاوْء
Persian:
Dari: مَغْز (mağz), دِمَاغ (dimāğ)
Iranian Persian: مَغْز (mağz), دِماغ (demâğ) (archaic)
Piedmontese: sërvel m
Pitjantjatjara: please add this translation if you can
Polish: mózg (pl) m
Portuguese: cérebro (pt) m
Punjabi:
Gurmikhi: ਦਿਮਾਗ m (dimāg)
Shahmukhi: دِماغ m (dimāġ)
Quechua: ñutgo, togşu
Romanian: creier (ro) m
Romansch: tscharvè m
Russian: мозг (ru) m (mozg), мозги́ (ru) m pl (mozgí)
Sanskrit: मस्तिष्क (sa) n (mastiṣka), तेजस (sa) n (tejasa)
Santali: ᱦᱟᱛᱟᱲ (hataṛ), ᱵᱷᱮᱡᱟ (bheja)
Sardinian: cerbedhu m, cerbeddu, cherveddu, carbedhu, carbeddu, cialbedhu, carvedhu, carveddu, carvedha, celbedhu, ciobedhus, ciorbedhu, gerbedhu, tzalbedhu
Scots: harn
Scottish Gaelic: eanchainn f
Serbo-Croatian:
Cyrillic: мо̏зак m
Roman: mȍzak (sh) m
Shan: ဢွၵ်းဢေႃ (shn) (ʼáuk ʼǎu)
Sicilian: ciriveddu (scn) m
Silesian: please add this translation if you can
Sinhalese: මොළයේ (moḷayē)
Slovak: mozog (sk) m
Slovene: možgani (sl) m pl
Somali: maskax (so)
Sorbian:
Lower Sorbian: mórzgi pl
Upper Sorbian: mozy pl
Sotho: boko
Southern Altai: мее (mee)
Southern Thai: please add this translation if you can
Spanish: cerebro (es) m
Sudovian: stirgena f, mazgena f
Swahili: ubongo (sw) class u
Swedish: hjärna (sv) c
Tagalog: (literally) utak n
Tajik: мағз (tg) (maġz)
Tamil: மூளை (ta) (mūḷai)
Tarifit: aǧi m, amerɣiɣ m
Tatar: ми (tt) (mi)
Tausug: utuk
Telugu: మెదడు (te) (medaḍu)
Tetum: kakutak
Thai: มันสมอง (man-sà-mɔ̌ɔng), สมอง (th) (sà-mɔ̌ɔng)
Tibetan: ཀླད་པ (klad pa)
Tigrinya: ሓንጎል (ḥangol)
Tundra Nenets: немэй (nyemey°), нгэвэй (ngewey°)
Turkish: beyin (tr)
Turkmen: beýin
Tuvan: мээ (mee)
Tày: oóc áy, oóc éc
Ugaritic: 𐎎𐎍𐎋 (mlk)
Ukrainian: мо́зок m (mózok)
Urdu: دِماغ (ur) m (dimāġ), مَغْز m (maġz), بھیجا m (bhejā)
Uyghur: مېڭە (më'nge)
Uzbek: miya (uz)
Venetan: çervèl m, serveło m, zerveło m, servèl m, zhervèl, sarveło m, çarvèl m, zharvèl m, cèlebro m
Vietnamese: óc (vi), não (vi)
Volapük: brein (vo)
Votic: ajud pl
Walloon: cervea (wa) m
Waray-Waray: utok
Warlpiri: ngukunypa
Welsh: ymennydd (cy)
West Coast Bajau: utok
West Frisian: brein, harsens (fy)
Wiradjuri: kábuka
Wolof: yóor
Yakut: мэйии (meyii)
Yami: etek
Yiddish: מוח m (moyekh), געהירן (gehirn)
Yoruba: ọ̀bụ́tụ̀n, ọpọlọ
Zazaki: megz, mezg (diq)
Zhuang: uk, ngog (dialectal), ukek (dialectal) :
    The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

#### See also

* (brain lobes) brain lobe; frontal lobe, occipital lobe, parietal lobe, temporal lobe

### Verb

brain (third-person singular simple present brains, present participle braining, simple past and past participle brained)
* (transitive) To dash out the brains of; to kill by smashing the skull.
* (transitive, slang) To strike (someone) on the head.
* (transitive, figurative) To destroy; to put an end to.
** 1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene ii], page 12:There thou maiſt braine him,
** c. 1603–1604 (date written), William Shakespeare, “Measure for Measure”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene i], page 82, column 2:It was the ſwift celeritie of his death / […] That brain'd my purpoſe:
** 1851 November 14, Herman Melville, chapter 21, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC:He was going on with some wild reminiscences about his tomahawk-pipe, which, it seemed, had in its two uses both brained his foes and soothed his soul, when we were directly attracted to the sleeping rigger.
* (transitive, obsolete) To conceive in the mind; to understand.
** 1611 April (first recorded performance), William Shakespeare, “The Tragedie of Cymbeline”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene iv]:'Tis still a dream, or else such stuff as madmen / Tongue, and brain not.

#### Quotations

* For quotations using this term, see Citations:brain.

#### Translations
### Further reading

* Category:brain on Wikimedia Commons.Wikimedia Commons
* brain on Wikipedia.Wikipedia
* human brain on Wikipedia.Wikipedia
* brain on Wikiquote.Wikiquote

### Anagrams

* Barin, Brian, Rabin, abrin, bairn, brian

## Irish
### Noun

brain m
* inflection of bran:
** vocative/genitive singular
** nominative/dative plural

### Mutation

Note: Certain mutated forms of some words can never occur in standard Modern Irish. All possible mutated forms are displayed for convenience.

## Middle English
### Noun

brain
* Alternative form of brayn

## Old Irish
### Alternative forms

* broin

### Pronunciation

* IPA: /branʲ/

### Noun

brain m
* inflection of bran:
** vocative/genitive singular
** nominative plural

### Mutation

Note: Certain mutated forms of some words can never occur in Old Irish. All possible mutated forms are displayed for convenience.

## Welsh
### Pronunciation

* IPA: /brai̯n/
* Rhymes: -ai̯n
* Homophone: braen (“rotten”) (South Wales)

### Etymology 1
#### Noun

brain m pl
* plural of brân (“crow”)

### Etymology 2
#### Noun

brain m or f (plural breiniau or breinau or breinioedd or breinion)
* Alternative form of braint (“honour”)

### Mutation

Note: Certain mutated forms of some words can never occur in standard Welsh. All possible mutated forms are displayed for convenience.

### References

* R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “brain”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies