Quorum (noun)

The minimum number of members of a group that must be present for the group to conduct its business.

Origin:

From latin quorum "of whom", ablative plural of qui "who".

Examples:

1. A quorum of the board must be present before any business can be conducted.
2. The meeting had to be rescheduled because not enough members were present to form a quorum.
3. The quorum for the meeting was not met, so it had to be rescheduled.
4. It is difficult for a quorum to meet during the summer because many members are away on vacation.
5. It was decided that the quorum for the meeting would be six members.