Leaves one's food? (9)

I believe the answer is:

herbivore

But I can't explain it at all!

(Other definitions for herbivore that I've seen before include "no meat-eater" , "Grass-eating animal" , "Plant eater" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.