A meal, often a small or quick one. We don't have a lot of time, so let's just grab a quick bite to eat before the movie starts. Let's pull off at the next rest stop to grab a bite to eat.

What does bite to eat mean?

to have a bite (or have a bite to eat): to have some light food, to eat a small meal.

Is a bite to eat an idiom?

The meaning of "a bite to eat"

Meaning: A small meal, possibly taken quickly when time is short. Example: We won't have time for a meal after the concert finishes so let's get a bite to eat now before we go in.