retina
The thin layer of cells at the back of the eyeball that contains rods and cones sensitive to light, which trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.

retinae
plural of retina

retinas
plural of retina

rhagades
plural of rhagade

rice moth
Corcyra cephalonica, a pyralid moth whose caterpillars feed on dry plantstuffs such as rice.

ringlet
A small ring.
A lock, tress.
Any of various butterflies with small rings on the wings, in the tribe Satyrini of the family Nymphalidae, such as Aphantopus hyperantus.

ringlets
plural of ringlet

rioja
Alternative letter-case form of Rioja.

riojas
plural of rioja

riverling
A rivulet.

rivulet
A small stream; a streamlet; a gill.
Perizoma affinitatum, a geometrid moth.

rivulets
plural of rivulet

rosy marsh moth
The noctuid moth Coenophila subrosea.

rosy rustic
The noctuid moth Hydraecia micacea.

rosy wave
The geometrid moth Scopula emutaria.

rotunda
A round building, usually small, often with a dome.
A Gothic typeface used in early printed books in Northern Italy, based on a rounded script developed in the 13th cent.; the manuscript hand on which this typeface was based.
Alternative spelling of rotonda.
A form of cupola that has pentagons rather than squares or rectangles.

rotundae
plural of rotunda

rotundas
plural of rotunda

rotundo
Alternative form of rotunda.

royal blue
A deep, bright blue colour.

royal walnut moth
Citheronia regalis, a type of moth. Its caterpillar is the hickory horned devil

ruby tiger
Phragmatobia fuliginosa, a moth of the family Erebidae, found in Europe.

rumina
plural of rumen

rustic
Country-styled or pastoral; rural.
Unfinished or roughly finished.
Crude, rough.
Simple; artless; unaffected.

rustick
Obsolete form of rustic.

rusticke
Obsolete form of rustic.

rustickes
plural of rusticke

rusticks
plural of rustick

rustics
plural of rustic

rustique
Archaic form of rustic.

sabra
Alternative spelling of Sabra.

sabras
plural of sabra

sachamaker
Obsolete form of sagamore (“Native American chief”).

sachamakers
plural of sachamaker

sachem
A chief of one or several Native American tribe(s), especially of the Algonquians; a sagamore.
A boss, a leader.
An eminent member of a group, or an eminent person in society; a sagamore.
A high-ranking officer of the Tammany Hall political organization.

sachems
plural of sachem

sackamaker
Obsolete form of sagamore (“Native American chief”).

sackamakers
plural of sackamaker

saffern
Obsolete form of saffron.

safflors
plural of safflor

saffron
A plant of species Crocus sativus, a crocus.
A spice (seasoning) and colouring agent made from the stigma and part of the style of the plant, sometimes or formerly also used as a dye and insect repellent.
An orange-yellow colour, the colour of a lion's pelt.

saffrons
plural of saffron

safron
Alternative form of saffron.

sagamore
Synonym of sachem.
Synonym of sachem.
A high-ranking officer of the Tammany Hall political organization responsible for taking care of its property.

sagamores
plural of sagamore

saice
Alternative spelling of sais.

saices
plural of saice

sais
A groom, or servant with responsibility for the horses.
usually syce: chauffeur, driver.

saises
plural of sais.

salamis
plural of salami

sallow kitten
The moth Furcula furcula.

salpinges
plural of salpinx

salpinx
A trumpet-shaped tube.
A trumpet-shaped tube.

salpinxes
plural of salpinx

salt marsh moth
Estigmene acrea, a fairly common North American tiger moth whose wings are white with black dots.

samana
An ascetic, (especially) an ascetic monk who ignores the Vedas in Buddhist and Indian contexts.
An ascetic monk, a Buddhist hermit.

samanas
plural of samana

samaria
samarium oxide

sambaquis
plural of sambaqui

sand dart
A noctuid moth of species Agrotis ripae.

sandy carpet
Perizoma flavofasciata, a geometrid moth.

santa
Alternative letter-case form of Santa (noun).

santas
plural of santa

sarisa
Alternative form of sarissa.

sarisae
plural of sarisa

sarisas
plural of sarisa

satara
A kind of ribbed, hotpressed and lustred woolen cloth.

sataras
plural of satara

satellite
A moon or other smaller body orbiting a larger one.
A man-made apparatus designed to be placed in orbit around a celestial body, generally to relay information, data etc. to Earth.
A country, state, office, building etc. which is under the jurisdiction, influence, or domination of another body.
An attendant on an important person; a member of someone's retinue, often in a somewhat derogatory sense; a henchman.
Satellite TV; reception of television broadcasts via services that use man-made satellite technology.
A grammatical construct that takes various forms and may encode a path of movement, a change of state, or the grammatical aspect. Examples: "a bird flew past"; "she turned on the light".
A very large array of tandemly repeating, non-coding DNA.
A community or town dependent on a larger town or city nearby.

satellite sphinx
Eumorpha satellitia, a moth of the family Sphingidae.

satellites
plural of satellite

saturnia
pain in a joint due to lead poisoning.

satyres
plural of satyre

saw-wing
Any of the birds of genus Psalidoprocne.

sawwing
Alternative form of saw-wing.

sawwings
plural of sawwing

scallop moth
Cepphis armataria, a North American geometrid moth.

scallop shell
pilgrim's shell

scarce copper
A butterfly of the copper or gossamer-winged butterfly family, Lycaena virgaureae.

scarlet tiger
Callimorpha dominula, a colourful moth of Europe and the Near East.

scena
A scene in an opera.
An accompanied dramatic recitative, interspersed with passages of melody, or followed by a full aria.
The stage of an ancient theatre.

scenae
plural of scena

scenas
plural of scena

scoopula
A curved spatula used as a scoop in chemistry laboratories.

scopula
A dense tuft of hair, as on the legs of certain insects.

scopulae
plural of scopula

scopulas
plural of scopula

scorched carpet
A geometrid moth of species Ligdia adustata.

scorched wing
Plagodis dolabraria, a geometrid moth.

scotia
A concave molding with a lower edge projecting beyond the top.

scotias
plural of scotia

scrapiana
Miscellaneous short written sketches or other writings.

scribbler
One who scribbles; a hasty or untalented writer or artist.
A machine for coarse carding or teasing of wool.
A ruled notebook or exercise book, especially in grade school.

scribblers
plural of scribbler

scriptor
A writer, regarded as producing a work but not as providing its explanation (which is instead determined by the reader), according to the theories of Roland Barthes.

scriptors
plural of scriptor

sea
A large body of salt water.
A large body of salt water.
A large body of salt water.
A lake, especially if large or if salty or brackish.
A single wave; billow.
The swell of the sea, especially when high or rough.
Living or used in or on the sea; of, near, or like the sea.
Anything resembling the vastness or turbulence of the sea in mass, size or quantity.
A constant flux of gluons splitting into quarks, which annihilate to produce further gluons.
A large, dark plain of rock; a mare.
A very large lake of liquid hydrocarbon.

seaball
Alternative form of sea ball.

seaballs
plural of seaball

seabreeze
Alternative spelling of sea breeze.

seabreezes
plural of seabreeze

seabuckthorn
Alternative spelling of sea buckthorn.

seacalf
Alternative spelling of sea calf, Phoca vitulina.

seacalfs
plural of seacalf

seacalves
plural of seacalf

seacorn
Alternative form of sea corn.

seacorns
plural of seacorn

seafan
Alternative form of sea fan.

seafans
plural of seafan

seafish
Alternative form of sea fish.

seageese
plural of seagoose

seagoose
Alternative spelling of sea goose.

seahog
Alternative spelling of sea hog.

seahogs
plural of seahog

seahound
Alternative form of sea hound.

seahounds
plural of seahound

sealane
Alternative spelling of sea lane.

sealanes
plural of sealane

sealice
plural of sealouse