Lewis & Short

lūmĭnāre, āris, n. [lumen], that whieh gives light, a light-giver (mostly in plur.).

  1. I. A luminary, a heavenly body: fecitque Deus duo luminaria magna, Vulg. Gen. 1, 16.
  2. II. A light, lamp, burned in the Jewish temple and in Christian churches, Vulg. Exod. 35, 8 (cf. lucerna): accenduntur luminaria, Hier. adv. Vigil. 3.
  3. III. A window-shutter, window: luminaria lata, Cato, R. R. 14: octavam partem tolli luminarium aedium ad Streniae memineris, Cic. Att. 15, 26, 4.