Definition of "Eat" :

verb: cause to deteriorate due to the action of water, air, or an acid

verb: use up (resources or materials)

verb: eat a meal; take a meal

"We did not eat until 10 P.M. because there were so many phone calls."

verb: take in solid food

"She was eating a banana."

verb: take in food; used of animals only

"This dog doesn't eat certain kinds of meat."

verb: worry or cause anxiety in a persistent way

"What's eating you?."