{ } a. [ L. hebdomadalis, LL. hebdomadarius: cf. F. hebdomadaire. ] Consisting of seven days, or occurring at intervals of seven days; weekly. [ 1913 Webster ]
n. [ LL. hebdomadarius: cf. F. hebdomadier. ] (R. C. Ch.) A member of a chapter or convent, whose week it is to officiate in the choir, and perform other services, which, on extraordinary occasions, are performed by the superiors. [ 1913 Webster ]