quorum
definition
the minimum number of members required to be present for a valid meeting or decision
example
The board meeting was postponed because it did not meet the required quorum of members.
synonyms
attendancemajorityminimum requirement
word origin — The word 'quorum' is derived from the Latin term 'quorum,' which means 'of whom.' It originally referred to a certain number of members of a committee or organization that must be present for proceedings to be valid.