Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

1. occāsus, a, um, Part., from occĭdo.

2. occāsus, ūs, m. [occĭdo].

  1. I. A falling, going down (class.; cf. obitus).
    1. A. Lit., a going down, setting, of the heavenly bodies; esp. of the sun: ante occasum Maiae, Verg. G. 1, 225: ortus occasusque signorum, the rising and setting of the constellations, Quint. 1, 4, 4: solis, Caes. B. G. 1, 50; 2, 11; 3, 15; Liv. 9, 32.
      Absol.: praecipiti in occasum die, Tac. H. 3, 86.
    2. B. Transf., the quarter of the heavens in which the sun sets, sunset, the west: inter occasum solis et septentriones, Caes. B. G. 1, 1: ab ortu ad occasum, Cic. N. D. 2, 19, 49.
      Plur., Ov. M. 2, 190: ager Longus in occasum, Verg. A. 11, 317: de terrā occasus solis, Vulg. Zach. 8, 7.
    3. C. Trop., downfall, ruin, destruction, end, death: post obitum occasumque vestrum, Cic. Pis. 15, 34: occasus interitusque rei publicae, id. ib. 8, 18: id. Sull. 11, 33: Iliaci cineres et flamma extrema meorum, Testor, in occasu vestro, etc., Verg. A. 2, 432; cf. Trojae, id. ib. 1, 238: post L. Aelii nostri occasum, death, Cic. Ac. 1, 2, 8: odii, Quint. Decl. 9, 18.
  2. * II. For occasio, an occasion, opportunity, Enn. ap. Paul. ex Fest. p. 178 Müll. (Ann. v. 164; 171; 292 Vahl.).