Someone acting as an informer or decoy for the police.

synoniemen: canary, fink, sneak, sneaker, snitch, snitcher, stoolie, stoolpigeon.

Roget 529: disclosure; retection^†; unveiling etc. v.; deterration^†, revealment, revelation; exposition, exposure; expose; whole truth; telltale etc. (news) 532.    acknowledgment, avowal; confession, confessional; shrift.    bursting of a bubble; denouement.    [person who discloses a secret] tattletale, snitch, fink, stool pigeon, canary.    ... meer laten zien

Roget 548: deceiver etc. (deceive) etc. 545; dissembler, hypocrite; sophist, Pharisee, Jesuit, Mawworm^†, Pecksniff, Joseph Surface, Tartufe^†, Janus; serpent, snake in the grass, cockatrice, Judas, wolf in sheep's clothing; jilt; shuffler^†, stool pigeon.    liar etc. (lie) etc. 544; story-teller, perjurer, false witness, menteur a triple etage [Fr.], Scapin^†; bunko steerer [U.S.], carpetbagger [U.S.], capper [U.S.], faker, fraud, four flusher [Slang], horse coper^†, ringer [Slang], spieler^†, straw bidder [U.S.].    imposter, pretender, soi-disant [Fr.], humbug; adventurer; Cagliostro, Fernam Mendez Pinto; ass in lion's skin etc. (bungler) 701; actor etc. (stage player) 599.    quack, charlatan, mountebank, saltimbanco^†, saltimbanque^†, empiric, quacksalver, medicaster^†, Rosicrucian, gypsy; man of straw.    conjuror, juggler, trickster, prestidigitator, jockey; crimp, decoy, decoy duck; rogue, knave, cheat; swindler etc. (thief) 792; jobber.    ... meer laten zien

A dummy pigeon used to decoy others.