verb-intransitive. To make a low, hoarse noise in the throat, as a frog, a raven, or a crow; hence, to make any hoarse, dismal sound.verb-intransitive. To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually.v. To utter in a low, hoarse voice; to announce by croaking; to forebode.n. The coarse, harsh sound uttered by a frog or a raven, or a like sound.