Lewis & Short

sērōtĭnus, a, um, adj. [4. sero], econom. t. t. of the Aug. period, for the class. serus.

  1. I. Lit., that comes or happens late, late-ripe, late, backward: sementis (opp. festinata), Plin. 18, 24, 56, § 204: pira, id. 15, 15, 17, § 58: ficus, id. 15, 18, 19, § 71; Pall. Mart. 10, 31: flos, Plin. 21, 10, 32, § 58: pulli, Col. 8, 5, 24: hiemes (opp. tempestiva frigora), Plin. 17, 2, 2, § 16: aquae (opp. tempestivae), id. 17, 2, 2, § 17: situs, id. 17, 11, 16, § 79: loca (opp. praecocia), id. 18, 24, 54, § 196: imber serotinus, the later rainy season, Vulg. Deut. 11, 14; id. Osee, 6, 3.
    1. B. Esp., in the evening (cf. serus, I. B.): matutinus et serotinus imber, Vulg. Joel, 2, 23.
  2. * II. Transf., in gen.: raptor (puellae), stealing late, Sen. Decl. 3, 21 fin.