the world > animals > by noises > voice or sound made by animal > make sound [verb (intransitive)] > croak (7)
intransitive. To croak. Rarely transitive.
intransitive. To utter a deep, hoarse, dismal cry, as a frog or a raven.
intransitive. To cry hoarsely; to croak as a raven, frog, crane, etc.
intransitive. To utter a hoarse sound, squawk; also transitive with out. Also as n.
intransitive. To grunt, croak, groan, sigh, etc.; to grumble, complain.