Croak

Croak, v. t. To utter in a low, hoarse voice; to announce by croaking; to forebode; as, to croak disaster.

The raven himself is hoarse,
That croaks the fatal entrance of Duncan.
Shak.

Two ravens now began to croak
Their nuptial song.
Wordsworth.

Croak, n. The coarse, harsh sound uttered by a frog or a raven, or a like sound.

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.