The Collaborative International Dictionary of English v.0.48:
Crow \Crow\, n. [AS. cr[=a]we a crow (in sense 1); akin to D.
kraai, G. kr[aum]he; cf. Icel. kr[=a]ka crow. So named from
its cry, from AS. cr[=a]wan to crow. See Crow, v. i. ]
1. (Zool.) A bird, usually black, of the genus Corvus,
having a strong conical beak, with projecting bristles. It
has a harsh, croaking note. See Caw.
Note: The common crow of Europe, or carrion crow, is Corvus
corone. The common American crow is Corvus
Americanus. See Carrion crow, and Illustr., under
2. A bar of iron with a beak, crook, or claw; a bar of iron
used as a lever; a crowbar.
Get me an iron crow, and bring it straight
Unto my cell. --Shak.
3. The cry of the cock. See Crow, v. i., 1.
4. The mesentery of a beast; -- so called by butchers.
Carrion crow. See under Carrion.
Crow blackbird (Zool.), an American bird (Quiscalus
quiscula); -- called also purple grackle.
Crow pheasant (Zool.), an Indian cuckoo; the common coucal.
It is believed by the natives to give omens. See Coucal.
Crow shrike (Zool.), any bird of the genera Gymnorhina,
Craticus, or Strepera, mostly from Australia.
Red-legged crow. See Crough.
As the crow flies, in a direct line.
To pick a crow, To pluck a crow, to state and adjust a
difference or grievance (with any one).