Word Study
filly
OXFORD DICTIONARY
filly, n. (pl. -ies)
1 a young female horse, usu. before it is four years old.
2 colloq. a girl or young woman.
1 a young female horse, usu. before it is four years old.
2 colloq. a girl or young woman.
Etymology
ME, prob. f. ON fylja f. Gmc (as FOAL)
THESAURUS
filly
Houyhnhnm, Partlet, babe, baby, biddy, bitch, bossy, broad, brood mare, charger, chick, colleen, colt, courser, cow, critter, cutie, dame, damoiselle, damsel, demoiselle, dobbin, doe, doll, entire, entire horse, equine, ewe, ewe lamb, foal, frail, gal, gelding, girl, girlie, guinea hen, gyp, heifer, hen, hind, horse, hoyden, jenny, jeune fille, jill, junior miss, lass, lassie, lioness, little missy, mademoiselle, maid, maiden, mare, miss, missy, mount, nag, nanny, nanny goat, nymphet, peahen, piece, prancer, roe, romp, schoolgirl, schoolmaid, schoolmiss, she-bear, she-goat, she-lion, skirt, slip, slut, sow, stallion, steed, stud, studhorse, subdeb, subdebutante, subteen, subteener, tarpan, teenybopper, tigress, tomato, tomboy, top horse, virgin, vixen, war-horse, wench, wild horse, young creature, young thingROGET THESAURUS
filly
Carrier
N carrier, porter, bearer, tranter, conveyer, cargador, express, expressman, stevedore, coolie, conductor, locomotive, motor, beast, beast of burden, cattle, horse, nag, palfrey, Arab, blood horse, thoroughbred, galloway, charger, courser, racer, hunter, jument, pony, filly, colt, foal, barb, roan, jade, hack, bidet, pad, cob, tit, punch, roadster, goer, racehorse, pack horse, draft horse, cart horse, dray horse, post horse, ketch, Shetland pony, shelty, sheltie, garran, garron, jennet, genet, bayard, mare, stallion, gelding, bronco, broncho, cayuse, creature, critter, cow pony, mustang, Narraganset, waler, stud, Pegasus, Bucephalus, Rocinante, ass, donkey, jackass, mule, hinny, sumpter horse, sumpter mule, burro, cuddy, ladino, reindeer, camel, dromedary, llama, elephant, carrier pigeon, pallet, brace, cart, dolley, support, fork lift, carriage, ship, equine, asinine.For further exploring for "filly" in Webster Dictionary Online