Lunchtime (noun)

1. The time of day when people typically eat lunch, usually between 12pm and 1pm.
2. The period of time during which people typically eat lunch.

Origin:

Late 19th century: from lunch + time.

Examples:

1. I like to go for a walk at lunchtime.
2. She always brings her lunch to work to eat at lunchtime.
3. The school's lunchtime starts at 12:30pm.
4. The office closes for lunchtime from 12pm to 1pm.
5. The restaurant was very busy at lunchtime.