definition of
eat

[1] #1 eat v. take in solid food; "She was eating a banana"; "What did you eat for dinner last night?". wn

[2] #2 eat v. eat a meal; take a meal; "We did not eat until 10 P.M. because there were so many phone calls"; "I didn't eat yet, so I gladly accept your invitation". wn

[3] #3 eat v. [feed] take in food; used of animals only; "This dog doesn't eat certain kinds of meat"; "What do whales eat?". wn

[4] #4 eat v. [eat on] worry or cause anxiety in a persistent way; "What's eating you?". wn

[5] #5 eat v. [consume, eat up, use up, deplete, exhaust, run through, wipe out] use up (resources or materials); "this car consumes a lot of gas"; "We exhausted our savings"; "They run through 20 bottles of wine a week". wn