eat (Verb) — Take in solid food. ex. "She was eating a banana" ex. "What did you eat for dinner last night?"
eat (Verb) — Have a meal. ex. "We did not eat until 10 P.M. because there were so many phone calls" ex. "I didn't eat yet, so I gladly accept your invitation"
eat (Verb) — Take in food; used of animals only. ex. "This dog doesn't eat certain kinds of meat" ex. "What do whales eat?"
eat (Verb) — Worry or cause anxiety in a persistent way. ex. "What's eating you?"
eat (Verb) — Use (resources or materials) over time in order to function. ex. "this car eats up a lot of gas"
eat (Verb) — Cause to deteriorate due to the action of water, air, or an acid. ex. "The acid ate the metal"