Main Entry: lu·mi·nary

Pronunciation: \ˈlü-mə-ˌner-ē\

Function: noun

Inflected Form(s): plural lu·mi·nar·ies

Etymology: Middle English luminarye, from Anglo-French & Late Latin; Anglo-French luminaire light, luminary, from Late Latin luminaria, plural of luminare lamp, heavenly body, from Latin, window, from lumin-, lumen light; akin to Latin lucēre to shine — more at light

Date: 15th century

1 : a person of prominence or brilliant achievement
2 : a body that gives light; especially : one of the celestial bodies

— luminary adjective