Lewis & Short

2. dējectus, ūs, m. [deicio], a casting or throwing down (rare; not in Cic.).

  1. I. In gen.: arborum, Liv. 9, 2: gravis (Penei), fall, Ov. M. 1, 571; cf. fluminum, Sen. Cons. ad Marc. 18: aquae, id. Ep. 56; and absol., Plin. 33, 4, 21, § 75; cf. Vitr. 6, 3.
    1. B. Concr., that which is thrown over, a covering: velatum geminae dejectu lyncis, Stat. Th. 4, 272.
  2. II. Esp., of localities (acc. to dejectus, P. a., I.), a declivity, descent: collis, Caes. B. G. 2, 22: in dejectu positus, Plin. 2, 70, 71, § 179. In plur.: collis ex utraque parte lateris dejectūs habebat, Caes. B. G. 2, 8, 3.
    1. B. Transf., the lowering of the voice, = Gr. θέσις (opp. elatio, = Gr. ἄρσις), Plin. Fulg. Myth. 3, 9, p. 129.