Meaning of “croak” - Learner’s Dictionary

croak

verb uk us /krəʊk/
VOICE [ I, T ]

to talk or say something in a low, rough voice:

"I don't feel well," he croaked.
SOUND [ I ]

If a bird or frog (= green jumping animal) croaks, it makes a deep, low sound.

(Definition of “croak” from the Cambridge Learner’s Dictionary © Cambridge University Press)