# labrum
## English
### Etymology

From Latin labrum (“lip”).

### Noun

labrum (plural labrums or labra)
* (entomology) The uppermost of the mouthparts (trophi) of a typical insect, such as a cockroach. Typically resembles an upper lip and forms part of the roof of the mouth in such insects.
* (anatomy) Any of several lip-like projections.
* A large basin of warm water, with an overhanging lip, in a Roman bath.

#### Derived terms

* glenoid labrum
* acetabular labrum

#### Related terms

* labral

#### Translations
### References

* “labrum”, in OneLook Dictionary Search.
* William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “labrum”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.

### Anagrams

* brumal, lumbar, umbral

## Latin
### Etymology 1

From Proto-Indo-European *leb- (“to hang down”). Cognate to labium and to English lip.

#### Pronunciation

* (Classical Latin) IPA: /ˈla.brum/, [ˈɫ̪äbrʊ̃ˑ]
* (modern Italianate Ecclesiastical) IPA: /ˈla.brum/, [ˈläːbrum]

#### Noun

labrum n (genitive labrī); second declension
* lip
    Synonym: labium
* (by extension) edge, margin, brim, lip

##### Declension

Second-declension noun (neuter).

##### Synonyms

* (lip): labia/labea/labium

##### Derived terms

* labellum
* labrōsus

##### Descendants

* Italo-Romance:
** Italian: labbro
** Sicilian: labbru
* Gallo-Italic:
** Emilian: labre, labar, ⇒ labra
** Ligurian: lèrfo, lerfa, lavre
** Lombard: làver, làber, làer
** Piedmontese: lavre, làver, lavr, ⇒ lavra, laura
** Romagnol: labre, labar, lèbar, ⇒ labra
* Northern Gallo-Romance:
** Franco-Provençal: ⇒ lâvra
** French: lèvre
* Southern Gallo-Romance:
** Occitan: ⇒ labra
    Auvergnat: laura
    Limousin: lhaura
* Ibero-Romance:
** Asturian: llabru
** Old Spanish: labro, labrio
* Borrowings:
** → English: labrum
** → Portuguese: labro
** → Spanish: labro

### Etymology 2

Contraction from lavābrum (“bathing tub”), from lavō (“to wash, bathe”) +‎ -brum.

#### Pronunciation

* (Classical Latin) IPA: /ˈlaː.brum/, [ˈɫ̪äːbrʊ̃ˑ]
* (modern Italianate Ecclesiastical) IPA: /ˈla.brum/, [ˈläːbrum]

#### Noun

lābrum n (genitive lābrī); second declension
* A bathing tub, bathtub, basin, bowl
* A bath, bathing place.

##### Declension

Second-declension noun (neuter).

##### Synonyms

* (bathing place): lavācrum, lavātiō

##### Derived terms

* lābellum

##### Related terms

* lātrīna
* lavābrum
* lavācrum
* lavandāria
* lavātiō
* lavitō
* lavō

### References

* “labrum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “labrum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* "labrum", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* labrum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co. to have a superficial knowledge, a smattering of literature, of the sciences: primis (ut dicitur) or primoribus labris gustare or attingere litteras
* “labrum”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
* “labrum”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin
* ↑ “labbro” in: Alberto Nocentini, Alessandro Parenti, “l'Etimologico — Vocabolario della lingua italiana”, Le Monnier, 2010, →ISBN