- 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
- a. A croaking animal, especially a frog.b. A person who grumbles or habitually predicts evil.
- Any of various marine and freshwater fishes of the family Sciaenidae that make a croaking sound by vibrating certain muscles attached to the swim bladder.
croak + -er