eater-n; 2 Senses

Sense Number 1: a consumer of nutrients

Commentary: EATER[+entity][+organism][+consumer][+nutrient]
NOTE: EATER[+agent] the one who eats

Carnivores are basically meat eaters.
The football team were all hearty eaters after a game.
The baby has become a good little eater of late.
These bacteria are oil eaters and are employed to clean up oil spills in the ocean.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: edible tasty produce

Commentary: EATER[+entity][+organism][+plant][+edible][+produce]
NOTE: EATER[+patient], the thing that is eaten

These local heirloom apples are good eaters.
Those cucumbers are not such good eaters but make tasty pickle relish.

WordNet 3.0 Sense Numbers: 2