also: おおにんず
noun
Refers to a group that is larger than usual or expected. Often used when discussing capacity, reservations, or events. Antonym: 小人数 (small number of people).
See also: 小人数
For reservations for a large group, please make them at least one week in advance.
この会議室は大人数には向いていません。
This meeting room is not suitable for a large number of people.