vespĕrus, a, um, adj. [vespera],
of or belonging to the evening , evening- : his horae rigandi matutina atque vespera, Plin. 19, 12, 60, § 183 (dub.; al. matutino atque vespera): tempus vesperum, Cael. Aur. Acut. 1, 15, 141; 1, 15, 151.