What does "crow" mean?

Additional senses

1. 2.To utter a sound expressive of joy or pleasure. The sweetest little maid, That ever crowed for kisses. Tennyson. To crow over, to exult over a vanquished antagonist. Sennacherib crowing over poor Jerusalem. Bp. Hall.
2. 3.(Zoöl.) 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 C. corone. The common American crow is C. Americanus. See Carrion crow, and Illustr., under Carrion.
3. 4.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.
4. 5.The cry of the cock. See Crow, v. i., 1.
5. 6.The mesentery of a beast; -- so called by butchers. Carrion crow. See under Carrion. -- Crow blackbird (Zoöl.), an American bird (Quiscalus quiscula); -- called also purple grackle. -- Crow pheasant (Zoöl.), an Indian cuckoo; the common coucal. It is believed by the natives to give omens. See Coucal. -- Crow shrike (Zoöl.), 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).