- a person or thing that croaks.
- any of several sciaenoid fishes that make a croaking noise, especiallyMicropogonias undulatus(Atlantic croaker ), found off the Atlantic coast of the southern United States.
- a person who grumbles or forebodes evil.
- doctor.
- an animal, bird, etc, that croaks
- any of various mainly tropical marine sciaenid fishes, such as Umbrina roncador (yellowfin croaker), that utter croaking noises
- a grumbling person
