[quo.rum] n [ME, quorum of justices of the peace, fr. L, of whom, gen. pl. of qui who; fr. the wording of the commission formerly issued to justices of the peace] (1602) 1: a select group
2: the number (as a majority) of officers or members of a body that when duly assembled is legally competent to transact business
3: a Mormon body comprising those in the same grade of priesthood