n. pl. [ OF. vespres, F. vêpres, LL. vesperae, fr. L. vespera evening. See Vesper, n. ] (R. C. Ch.) (a) One of the little hours of the Breviary. (b) The evening song or service. [ 1913 Webster ]
Sicilian vespers. See under Sicilian, a. [ 1913 Webster ]