An't

1. A contraction for are and am not; also used for is not; -- now usually written ain't.
   

1. See Anti-, prefix.
   

1. A suffix sometimes marking the agent for action; as, merchant, covenant, servant, pleasant, etc. Cf. -ent.
   

1. A hymenopterous insect of the Linnæan genus Formica, which is now made a family of several genera; an emmet; a pismire.
   
Ant bird (Zoöl.),
one of a very extensive group of South American birds (Formicariidæ), which live on ants. The family includes many species, some of which are called ant shrikes, ant thrushes, and ant wrens.
Ant rice (Bot.),
a species of grass (Aristida oligantha) cultivated by the agricultural ants of Texas for the sake of its seed.