Lewis & Short

prae-lūceo, xi, 2, v. n.

  1. I. To shine or give light before; to hold or carry a light before, to light.
    1. A. Lit.
      1. 1. Of those who carry a light: servus praelucens, Suet. Aug. 29: alicui, Stat. S. 1, 2, 89.
      2. 2. Of the light itself: praeluxere faces, Mart. 12, 42, 3: ne ignis noster praeluceat facinori, Phaedr. 4, 11, 9.
    2. B. Trop.
      1. 1. In gen., to shine forth, be bright: amicitia bonā spe praelucet in posterum, Cic. Lael. 7, 23.
        With acc.: lumenque tuae praeluceo vitae, Aus. Idyll. 4, 95.
      2. 2. In partic., to shine brighter, to outshine, surpass: nullus sinus Baiis praelucet, Hor. Ep. 1, 1, 83.
  2. * II. To shine very much, shine brightly: baculum praelucet, Plin. 32, 10, 52, § 141.