/'kwɔ:rəm; `kwɔrəm/
n (usu sing 通常作单数) minimum number of people who must be present at a meeting (of a committee, etc) before it can proceed and its decisions, etc can be considered valid （会议的）法定人数
*have/form a quorum 具备[构成]法定人数.

n [singular]
[Date: 1400-1500; Language: Latin;Origin:'of whom'; from the words of an official request to someone to serve on a committee]
the smallest number of people who must be present at a meeting so that official decisions can be made
　We need a quorum of seven.