Source : Webster's Revised Unabridged Dictionary (1913)

Crow \Crow\ (kr?), v. i. [imp. {Crew} (kr?) or {Crowed} (kr?d);
   p. p. {Crowed} ({Crown} (kr?n), Obs.); p. pr. & vb. n.
   {Crowing}.] [AS. cr?wan; akin to D. kraijen, G. kr?hen, cf.
   Lith. groti to croak. [root]24. Cf. {Crake}.]
   1. To make the shrill sound characteristic of a cock, either
      in joy, gayety, or defiance. ``The cock had crown.''
      --Bayron.

            The morning cock crew loud.           --Shak.

   2. To shout in exultation or defiance; to brag.

   3. 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.

Crow \Crow\, n. [AS. cr?we a crow (in sense 1); akin to D.
   kraai, G. kr?e; cf. Icel. kr?ka crow. So named from its cry,
   from AS. cr?wan to crow. See {Crow}, v. i. ]
   1. (Zo["o]l.) 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}.

   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} (Zo["o]l.), an American bird ({Quiscalus
      quiscula}); -- called also {purple grackle}.

   {Crow pheasant} (Zo["o]l.), an Indian cuckoo; the common
      coucal. It is believed by the natives to give omens. See
      {Coucal}.

   {Crow shrike} (Zo["o]l.), 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).

Crows \Crows\ (kr?z), n. pl.; sing. {Crow}. (Ethnol.)
   A tribe of Indians of the Dakota stock, living in Montana; --
   also called {Upsarokas}.

Source : WordNet®

crow
     n 1: black birds having a raucous call
     2: the cry of a cock (or an imitation of it)
     3: a member of the Siouan people formerly living in eastern
        Montana
     4: a small quadrilateral constellation in the southern
        hemisphere near Virgo [syn: {Corvus}]
     5: an instance of boastful talk; "his brag is worse than his
        fight"; "whenever he won we were exposed to his gasconade"
        [syn: {brag}, {bragging}, {crowing}, {vaporing}, {line-shooting},
         {gasconade}]
     6: a Siouan language spoken by the Crow people

crow
     v 1: dwell on with satisfaction [syn: {gloat}, {triumph}]
     2: express pleasure verbally; "She crowed with joy"
     3: utter shrill sounds; "The cocks crowed all morning"