Rat
Definition of Rat
Pronunciation: răt | n. | 1. | (Zool.) One of several species of small rodents of the genus Rattus (formerly included in Mus) and allied genera, of the family Muridae, distinguished from mice primarily by being larger. They infest houses, stores, and ships, especially the Norway rat, also called brown rat, (Rattus norvegicus formerly Mus decumanus), the black rat (Rattus rattus formerly Mus rattus), and the roof rat (formerly Mus Alexandrinus, now included in Rattus rattus). These were introduced into America from the Old World. The white rat used most commonly in laboratories is primarily a strain derived from Rattus rattus. | | 2. | A round and tapering mass of hair, or similar material, used by women to support the puffs and rolls of their natural hair. | | 3. | One who deserts his party or associates; hence, in the trades, one who works for lower wages than those prescribed by a trades union.| Blind rat | | (Zool.) the mole rat. |
| Rat mole | | (Zool.) See Mole rat, under Mole. |
| To smell a rat | | See under Smell. |
| | v. i. | 1. | In English politics, to desert one's party from interested motives; to forsake one's associates for one's own advantage; in the trades, to work for less wages, or on other conditions, than those established by a trades union. | | 2. | To catch or kill rats. | | 2. | To be an informer (against an associate); to inform (on an associate); to squeal; - used commonly in the phrase to rat on. |
Related Words
Angora goat, Arctic fox, Belgian hare, Benedict Arnold, Brutus, Caffre cat, Indian buffalo, Judas, Judas Iscariot, Kodiak bear, Quisling, SOB, Virginia deer, aardvark, aardwolf, alpaca, anteater, antelope, antelope chipmunk, aoudad, apar, apostate, apostatize, archtraitor, armadillo, ass, aurochs, babble, badger, bandicoot, bassarisk, bastard, bat, be indiscreet, be unguarded, bear, bear witness against, beaver, betray, betray a confidence, betrayer, bettong, binturong, bison, blab, blabber, black bear, black buck, black cat, black fox, black sheep, blackleg, blow the whistle, blue fox, blurt, blurt out, bobcat, bolt, break away, brown bear, brush deer, brush wolf, buffalo, buffalo wolf, bugger, burro, burro deer, cachalot, camel, camelopard, capybara, carabao, caribou, carpincho, cat, cat-a-mountain, catamount, cattalo, cavy, chamois, cheetah, chevrotain, chignon, chinchilla, chipmunk, cinnamon bear, cockatrice, conniver, conspirator, conspirer, coon, coon cat, cotton mouse, cotton rat, cougar, cow, coyote, coypu, creep, cur, deer, deer tiger, defect, defector, desert, dingo, dog, donkey, dormouse, double agent, double-crosser, double-dealer, dromedary, echidna, eland, elephant, elk, ermine, eyra, fall, fallow deer, false hair, fart, ferret, field mouse, fink, fisher, fitch, flying phalanger, foumart, fox, fox squirrel, gazelle, gemsbok, genet, giraffe, give away, glutton, gnu, gnu goat, goat, goat antelope, gopher, grizzly bear, ground squirrel, groundhog, guanaco, guinea pig, hamster, hare, harnessed antelope, hartebeest, hedgehog, heel, hippopotamus, hog, hood, hooligan, horse, hyena, hyrax, ibex, inform, inform against, inform on, informer, intrigant, intriguer, jackal, jackass, jackrabbit, jaguar, jaguarundi, jerboa, jerboa kangaroo, jerk, kaama, kangaroo, kangaroo mouse, kangaroo rat, karakul, kinkajou, kit fox, koala, lapin, leak, lemming, leopard, leopard cat, let down, let drop, let fall, let slip, lion, llama, louse, lynx, machinator, mammoth, mara, marmot, marten, mastodon, meanie, meerkat, mink, mole, mongoose, moose, mother, mouflon, mountain goat, mountain lion, mountain sheep, mouse, mule, mule deer, muntjac, musk deer, musk hog, musk-ox, muskrat, musquash, narc, nark, nilgai, nutria, ocelot, okapi, onager, oont, opossum, otter, ounce, ox, pack rat, painter, panda, pangolin, panther, peach, peccary, peludo, phalanger, pig, pill, pine mouse, platypus, plotter, pocket gopher, pocket mouse, pocket rat, polar bear, polar fox, polecat, porcupine, possum, pouched rat, poyou, prairie dog, prairie wolf, prick, pronghorn, pull out, puma, quisling, rabbit, raccoon, recreant, red deer, red squirrel, reindeer, renounce, repudiate, reveal a secret, rhinoceros, roe, roe deer, roebuck, run out on, runagate, sable, scab, schemer, scum, secede, sell out, serpent, serval, sheep, shit, shithead, shitheel, shrew, shrew mole, sika, silver fox, sing, skunk, sloth, snake, snitch, snitch on, snowshoe rabbit, spill, spill the beans, springbok, squeak, squeal, squirrel, stinkard, stinker, stoat, stool, strikebreaker, suslik, swamp rabbit, swine, switch, takin, talk, tamandua, tamarin, tapir, tarpan, tatou, tatou peba, tatouay, tattle, tattle on, tell on, tell secrets, tell tales, tergiversate, tergiversator, testify against, tiger, tiger cat, timber wolf, timeserver, toad, traitor, treasonist, tree shrew, trimmer, turd, turn, turn informer, turnabout, turncoat, urus, vole, wallaby, warthog, water buffalo, waterbuck, weasel, wharf rat, whistler, white fox, wild ass, wild boar, wild goat, wild ox, wildcat, wildebeest, wolf, wolverine, wombat, wood rat, woodchuck, woolly mammoth, yak, zebra, zebu, zoril
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