eat ‧ er /ˈiːtə $ -ər/ BrE AmE noun [countable]
big/light/fussy etc eater someone who eats a lot, not much, only particular things etc:
I’ve never been a big eater.
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COLLOCATIONS
■ ADJECTIVES/NOUN + eater
▪ a big eater (=someone who usually eats large meals)
I'm not a very big eater.
▪ a good eater (=someone who eats all the food on their plate)
All her children were good eaters.
▪ a healthy eater (=someone who eats healthy food)
Do you think healthy eaters live longer?
▪ a picky/fussy eater (=someone who will only eat a few particular things, and is difficult to please)
My son’s a very picky eater, and only eats bread and peanut butter.
▪ a messy eater (=someone who drops food and makes a mess when they eat)
He's a very messy eater – he leaves crumbs all over the floor.
▪ a noisy eater (=someone who makes unpleasant noises with their mouth as they eat)
I can't stand noisy eaters!
▪ a compulsive eater (=someone who cannot stop themselves eating too much)
Most compulsive eaters suffer from a range of psychological problems.
▪ a meat eater (=a person or animal that that eats meat)
I’m not a big meat eater, but I do like chicken.
▪ a plant eater (=an animal that only eats plants)
Most insects are plant eaters.