Noah Webster
Croak
CROAK, verb intransitive [Latin G. See Crow.]
1. To make a low, hoarse noise in the throat, as a frog or other animal.
2. To caw; to cry as a raven or crow.
3. To make any low, muttering sound, resembling that of a frog or raven; as, their bellies croak
4. In contempt, to speak with a low, hollow voice.
CROAK, noun The low, harsh sound uttered by a frog or a raven, or a like sound.