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?."