crĕpuscŭlum, i, n. [creper], twilight, dusk (cf. Varr. L. L. 6, § 5 Müll.); and in partic., evening twilight, the dusk of the evening (opp. diluculum, the morning twilight, dawn; poet. or in post-Aug. prose).
I Prop., Plaut. Cas. prol. 40; Ov. M. 1, 219; 15, 681; id. F. 4, 735; Plin. 18, 25, 58, § 219; Suet. Ner. 26 al.—
II In gen., darkness : iter per opaca crepuscula, Ov. M. 14, 122; cf. id. ib. 11, 596.