Lewis & Short

fulgor, ōris, m. [fulgeo],

  1. I. lightning, a flash of lightning (mostly poet. for fulgur): fulgorem quoque cernimus ante Quam tonitrum accipimus, Lucr. 6, 170 Lachm. N. cr.; so ib. 217; Verg. A. 8, 524; Ov. M. 7, 619.
    In plur.: prospera Juppiter his dextris fulgoribus edit, Cic. poët. Div. 2, 39, 82; cf. id. Rep. 6, 17: (anhelitus terrae) cum se in nubem induerint, tum et fulgores et tonitrua exsistere, id. Div. 2, 19, 44.
  2. II. Transf., flash, glitter, gleam, brightness, splendor (mostly poet. and in post-Aug. prose).
    1. A. Lit.: cujus (candelabri) fulgore collucere atque illustrari Jovis templum oportebat, Cic. Verr. 2, 4, 32, § 71; cf. Auct. Her. 4, 33, 44: armorum, Hor. C. 2, 1, 19; cf. Quint. 10, 1, 30: vestis, Ov. M. 11, 617; cf.: purpureae abollae, Suet. Calig. 35: speculorum, Plin. 7, 15, 13, § 64; cf. Quint. 11, 3, 68: solis, Plin. 11, 37, 54, § 142; Suet. Aug. 79: carbunculi, Plin. 37, 7, 25, § 93: oculos tremulo fulgore micantes, Ov. A. A. 2, 721: fulgor ab auro, Lucr. 2, 51: non fumum ex fulgore, sed ex fumo dare lucem Cogitat, Hor. A. P. 143: stellae solis fulgore obumbrantur, Sen. Q. N. 1, 1, 11.
      In plur.: cum stupet insanis acies fulgoribus, i. e. glittering utensils, plate, Hor. S. 2, 2, 5.
      1. * 2. Concr., a shining star: deinde est hominum generi prosperus et salutaris ille fulgor, qui dicitur Jovis, Cic. Rep. 6, 17.
    2. B. Trop., brightness, splendor, glory, renown: nominis et famae quondam fulgore trahebar, Ov. Tr. 5, 12, 39: gloriae, Val. Max. 8, 1, 11; cf.: omnibus fulgore quodam suae claritatis tenebras obduxit, Quint. 10, 1, 72: urit fulgore suo qui praegravat artes, Hor. Ep. 2, 1, 13: avitus, Vell. 2, 4 fin.: rerum, Plin. 7, 26, 27, § 95.