noun the coarse, harsh sound uttered by a frog or a raven, or a like sound.
2. croak ·vi to make a low, hoarse noise in the throat, as a frog, a raven, or a crow; hence, to make any hoarse, dismal sound.
3. croak ·vt to utter in a low, hoarse voice; to announce by croaking; to forebode; as, to croak disaster.
4. croak ·vi to complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually.