[lu.mi.nary] n, pl -nar.ies [ME luminarye, fr. MF & LL; MF luminaire lamp, fr. LL luminaria, pl. of luminare lamp, heavenly body, fr. L, window, fr. lumin-, lumen light; akin to L lucere to shine--more at light] (15c) 1: a person of prominence or brilliant achievement
2: a body that gives light; esp: one of the celestial bodies -- luminary adj