- an animal that croaks
- any of various drum fishes that make croaking or grunting sounds
- a person who talks dismally or foretells evil
- Slang a doctor
See croaker in American Heritage Dictionary 4
a. A croaking animal, especially a frog.
b. A person who grumbles or habitually predicts evil.
- Any of various fishes, chiefly of the family Sciaenidae, that make croaking or grunting sounds.