Lewis & Short

2. nĭtor, ōris, m. [niteo], brightness, splendor, lustre, sheen.

  1. I. Lit.: nitor exoriens aurorae, Lucr. 4, 538: diurnus, the daylight, Ov. H. 18, 78: herbarum viridis, Lucr. 5, 783: argenti et auri, Ov. P. 3, 4, 23: eboris, Plin. 7, 15, 13, § 64: materiae, of the wood, id. 16, 40, 79, § 215: speculi, id. 11, 37, 64, § 170: gladii, id. 2, 25, 22, § 89: nigerrimus gemmae, id. 37, 10, 69, § 184: nitorem cutis facit sal, id. 31, 7, 41, § 84.
    Plur.: nitores splendoresque auri, Gell. 2, 6, 4.
    1. B. Transf.
      1. 1. Sleekness, plumpness, good looks, beauty: nitor corporis, Ter. Eun. 2, 2, 10: urit me Glycerae nitor, Hor. C. 1, 19, 5: Liparei nitor Hebri, id. ib. 3, 12, 6: nullus totā nitor in cute, Juv. 9, 13.
      2. 2. Neatness, elegance, brilliancy of external appearance: si quemaliquid offendit, si purpurae genus, si amicorum catervae, si splendor, si nitor, Cic. Cael. 31, 77: habitus, Juv. 3, 180: oppidum praecipui nitoris, Plin. 4, 12, 26, § 85.
      3. 3. In gen., color, Lucr. 2, 819: ludis et externo tincta nitore caput, Prop. 2, 14, 26 (3, 11, 2).
  2. II. Trop., of speech, splendor, elegance, grace of style.
    With gen.: adhibendus erit in eis explicandis quidam orationis nitor, Cic. Or. 32, 115: domesticus eloquii, Ov. P. 2, 2, 51: nitor et cultus descriptionum, Tac. Or. 20: translationum, Quint. 12, 10, 36.
    Absol.: sublimitas et magnificentia et nitor, Quint. 8, 3, 3: eruditione ac nitore praestare, id. 10, 1, 98: scripsit non sine cultu ac nitore, id. 10, 1, 124.
    1. B. Of character, dignity, excellence: generis, Ov. P. 2, 9, 17; splendid liberality, Stat. S. 3, 3, 149.