lunch hour

The time in the middle of the day when one stops one's activities (working, studying, etc) to have lunch.

Japanese Meaning

昼食をとるための中休み、昼休み

We usually discuss project updates during the lunch hour in the break room.

私たちは通常、休憩室の昼休みにプロジェクトの進捗について話し合います。

Sense（1）

The time in the middle of the day when one stops one's activities (working, studying, etc) to have lunch.

lunch hours

（ plural ）