Definitions

1. noun

a room, especially in a school, where students eat their midday meal

“The students gathered in the lunchroom to talk about the upcoming exam.”

2. noun

a room where people eat their midday meal, especially in a workplace or institution

“The office had a small lunchroom for its employees to take their breaks.”

3. verb

to eat one’s midday meal, especially in a school or workplace

“The students will lunchroom from 12 to 1 o’clock today.”