I.the evening, eventide (much more freq. than vesper; used only in sing.; “in Cic. only adverb., ad vesperam): prima vespera,” Plaut. Curc. 1, 1, 4; so Suet. Tib. 74; Just. 18, 4, 12: “si accelerare volent, ad vesperam consequentur,” Cic. Cat. 2, 4, 6: “ibi se occultans perpotavit ad vesperam,” id. Phil. 11, 31, 77: vespera, Sall. ap. Charis. 2, p. 223 (Hist. 2, 76 Dietsch): “super sedem cottidianam magistratum primā vesperā suspendit (tabellas),” Liv. 34, 61, 14: “a mane usque ad vesperam,” Suet. Calig. 18; cf. id. Claud. 34; id. Tib. 74; id. Aug. 53: “inumbrante vesperă,” Tac. H. 3, 19; id. A. 1, 16; 15, 60; Plin. Ep. 2, 11, 18; 9, 36, 4; Curt. 4, 7, 22; 5, 13, 10; 6, 7, 20; 6, 11, 9: vesperā fatigatus, Aur. Caes. ap. Charis. p. 198 P.: “vesperā, adverb.,” in the evening, at even, Plin. 13, 18, 32, § 109; 19, 12, 60, § 183; 32, 4, 14, § 36; Fronto ap. Charis. l. l.—
II. Transf., the West (cf. vesper, II. B.): “ad vesperam jacentes terrae,” Plin. 18, 25, 57, § 215.
