Croak (krōk), v. i. [imp. & p. p.Croaked. (krōkt); p. pr. & vb. n.Croaking.] [From the primitive of AS. cracettan to croak as a raven; akin to G. krächzen to croak, and to E. creak, crake.] 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.