The minimum number of people who must attend a meeting in order for validLegally or formally acceptable or binding. Unexpired, e.g. a... business to be conducted. The term is from the 15th/16th century and the earliest use of English, specifically from the Latin phrase used at the start of commissions for committee members, “quorumThe minimum number of people who must attend a meeting in or... vos … unum esse volumus,” loosely meaning, “of whom we specify that … be one.”-