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.

ŏpāco, āvi, ātum, 1, v. a. [onyx], to cover with shade, to shade (class.; syn.: obscuro, obumbro).

  1. I. Lit.; platanus ad opacandum hunc locum patulis est diffusa ramis, Cic. de Or. 1, 7, 28, cf. id. Fragm. ap. Macr. S. 6, 4: ubi pinguem dives opacat Ramus humum, Verg. A. 6, 195: humum taxus opacat, Luc. 6, 645: (sol terras) modo his modo illis ex partibus opacat, Cic. N. D. 2, 19, 49.
    1. B. Transf., to cover (poet.): opacat flore lanugo genas, Pac. ap. Fest. s. v. genas, p. 94 Müll.: opacat tempora pinus, Sil. 13, 331.
  2. * II. Trop., to darken, obscure, Aug. Mor. Eccl. Cath. 1, 2.

ŏpācus, a, um, adj.

  1. I. In the shade, shaded, shady (class.): opaca vocantur umbrosa, Fest. p. 185 Müll.: ripa, Cic. Leg. 1, 5, 15: frigus, shady coolness, cool shade, Verg. E. 1, 53: vallis, Hor. Ep. 1, 16, 5.
    Comp.: locus umbrā opacior, Plin. Ep. 5, 6, 25.
    Sup.: opacissima nemorum pascua, Col. 6, 22.
    Neutr. absol.: colores, qui in opaco clarius micant, in the shade, Plin. 10, 20, 22, § 43.
    So in plur. with gen.: per opaca locorum, through shady places, Verg. A. 2, 725; 6, 633.
    1. B. Transf.
      1. 1. Darkened as if by shades, dark, obscure (poet. and in post-class. prose): nox, Verg. A. 4, 123: domus Cyclopis, id. ib. 3, 619: nubes, Ov. A. A. 2, 619: mater, i. e. the earth, id. M. 2, 274: crepuscula, in the lower regions, id. ib. 14, 122: vetustas, Gell. 10, 3, 15: mons, Vulg. 1 Reg. 23, 14.
      2. * 2. Bushy, thick: barba, Cat. 37, 19.
  2. II. That gives or casts a shade, shady (poet.): nemus, Verg. A. 8, 107: ilex, id. ib. 11, 851: herba, Ov. M. 3, 438.