Croak v. i. [imp. & p. p. Croaked. (krōkt); p. pr. & vb. n. Croaking.]
  1. To make a low, hoarse noise in the throat, as a frog, a raven, or a crow; hence, to make any hoarse, dismal sound.
  Loud thunder to its bottom shook the bog,
  And the hoarse nation croaked.   --Pope.
  2. To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually.
     Marat . . . croaks with reasonableness.   --Carlyle.
  croaking
       adj : like the sounds of frogs and crows; "a guttural voice";
             "acres of guttural frogs" [syn: croaky, guttural]
       n : a harsh hoarse utterance (as of a frog) [syn: croak]