eatˈer noun

1. Someone who or something which eats or corrodes
2. A variety of fruit, vegetable, etc suitable for eating uncooked

eatˈery noun (informal, esp N American)

A restaurant (also eatˈerie)

eatˈing noun and adjective

eating apple, etc noun

One suitable for eating uncooked

eatˈing-house noun

A restaurant

eating irons plural noun (slang)

Knife, fork and spoon

eat away

1. To destroy gradually
2. To gnaw

eat crow, dirt or humble pie see under crow , dirt, humbles

eat in

1. Of acid, to corrode, etch, etc (a metal)
2. To eat at home

eating out of one's hand

Completely under one's control

eat into

1. Of acid, to corrode, etc
2. To consume, use up or make inroads into

eat off

To clear (a crop) by setting cattle to eat it

eat one's hat

To be very surprised (if something turns out contrary to one's expectations)

eat one's head off

(esp of an animal) to cost more for food than one is worth

eat one's heart out

To pine away, brooding over misfortune

eat one's terms (law)

To study for the bar, with allusion to the number of times in a term that a student must dine in the hall of an Inn of Court

eat one's words

To take back what one has said

eat out

1. To have a meal away from home, usu in a restaurant
2. To eat everything edible in (a place)
3. To encroach upon

eat the air (Shakespeare)

To be deluded with hopes

eat up

1. To finish one's food
2. To devour entirely
3. To consume or absorb
4. (esp in passive) to obsess or preoccupy wholly

what's eating you? (informal)

What is worrying or irritating you?