eat

Take in food; used of animals only.

“This dog doesn't eat certain kinds of meat”

“What do whales eat?”

Use up (resources or materials).

Worry or cause anxiety in a persistent way.

“What's eating you?”

Cause to deteriorate due to the action of water, air, or an acid.

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”

Take in solid food.

“She was eating a banana”

“What did you eat for dinner last night?”