Lewis & Short

1. dē-cĭdo, cĭdi, 3, v. n. [cado], to fall off, fall down (class.).

    1. 1. Lit.
  1. A. In gen.: decido de lecto praeceps, Plaut. Cas. 5, 2, 48; so, anguis decidit de tegulis, Ter. Ph. 4, 4, 26: poma ex arboribus decidunt, Cic. de Sen. 19 fin.; cf.: e flore guttae, Ov. M. 9, 345: equo, Caes. B. G. 1, 48, 6; for which ex equo (in terram), Nep. Eum. 4; and ab equo (in arva), Ov. Ib. 259: summo toro, id. F. 2, 350: arbore glandes, id. M. 1, 106: caelo, Plin. 37, 10, 59, § 164; so, caelo, id. 2, 52, 53, § 138: in terras imber, Lucr. 6, 497; so, imber, Hor. Ep. 1, 14, 29: celsae turres graviore casu, id. Od. 2, 10, 11: comae, id. ib. 4, 10, 3 et saep.: montium decidentium moles, Plin. Ep. 8, 17, 3: (volucris) decidit in terram, Ov. M. 12, 569; so in terras sidus, id. ib. 14, 847: in puteum foveamve auceps, Hor. A. P. 458: in lacum fulmen, Suet. Galb. 8: in dolia serpens, Juv. 6, 432: in casses praeda, Ov. A. A. 2, 2: in laqueos suos auceps, id. Rem. Am. 502: in turbam praedonum hic fugiens, Hor. S. 1, 2, 42: in praeceps, Ov. M. 12, 339: ad pedes tunica, Suet. Aug. 94.
  2. B. Pregn. (like cado and concido), to fall down dead, to sink down, to die (in class. Lat. only poet.): morbo decidunt, Plaut. Trin. 2, 4, 143: nos ubi decidimus, Quo pater Aeneas, Hor. Od. 4, 7, 14: scriptor abhinc annos centum qui decidit, id. Ep. 2, 1, 36: decidit exanimis vitamque reliquit in astris, Verg. A. 5, 517; cf. Stat. Th. 8, 125; and id. ib. 9, 755: (nupta) Decidit; in talum serpentis dente recepto, Ov. M. 10, 10.
  • II. Trop., to fall, drop, fall away, fail, sink: quanta de spe decidi! Ter. Heaut. 2, 3, 9; for which quanta spe decidi! id. ib. 4, 8, 11; Suet. Oth. 5; and a spe societatis Prusiae, Liv. 37, 26: ex astris, Cic. Att. 2, 21, 4 (cf.: astrum, no. II. B. fin.): ego ab archetypo labor et decido, Plin. Ep. 5, 10, 1: eo decidit ut exsul de senatore fieret, has fallen so low, id. ib. 4, 11, 1: oculis captus in hanc fraudem decidisti (cf. καταπίπτειν), Cic. Verr. 2, 4, 45, § 101: ad eas rei familiaris angustias decidit, ut, etc., Suet. Claud. 9 fin.; cf.: huc decidisse cuncta, ut, etc., Tac. A. 3, 59: ficta omnia celeriter tamquam flosculi decidunt, perish, Cic. Off. 2, 12 fin.: non virtute hostium sed amicorum perfidia decidi, am fallen, defeated, Nep. Eum. 11 fin.: an toto pectore deciderim, wholly banished from her affections, Tib. 3, 1, 20 (cf. ἐκ θυμοῦ πεσέειν, Hom. Il. 23, 595): qui huc deciderunt, into this illness, Cels. 3, 21 fin.: in hydropa, id. ib. med.: in maximis necessitatibus, ad quas libidine deciderat, Schol. Juv. 5, 3.