NOUN (1)

1. the sound made by corvine birds;


VERB (1)

1. utter a cry, characteristic of crows, rooks, or ravens;

The Collaborative International Dictionary of English v.0.48:

Caw \Caw\ (k[add]), v. i. [imp. & p. p. Cawed (k[add]d); p.
   pr. & vb. n. Cawing.] [Imitative. [root]22 Cf. Chough.]
   To cry like a crow, rook, or raven.
   [1913 Webster]

         Rising and cawing at the gun's report.   --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Caw \Caw\, n.
   The cry made by the crow, rook, or raven.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "caw":
   belch, blare, blat, bray, burr, buzz, cackle, call, carol, chatter,
   cheep, chirk, chirp, chirr, chirrup, chitter, chuck, clack, clang,
   clangor, clank, clash, cluck, cock-a-doodle-doo, coo, craunch,
   croak, cronk, crow, crump, crunch, cuckoo, drum, gabble, gaggle,
   gobble, grind, groan, growl, grumble, guggle, honk, hoo, hoot,
   jangle, jar, peep, pip, pipe, quack, rasp, roll, scold, scranch,
   scrape, scratch, scrunch, sing, snarl, snore, squawk, trill, twang,
   tweet, twit, twitter, warble, whistle, yawp