adj.
Pronunciation: ' lü-n ə r also - ˌ när
Function: adjective
Etymology: Middle English, from Latin lunaris, from luna moon; akin to Latin luc ē re to shine ― more at LIGHT
Date: 15th century
1 : CRESCENT , LUNATE
2 a : of, relating to, or resembling the moon < lunar craters> <a lunar landscape> b : designed for use on the moon < lunar vehicles>
3 : measured by the moon's revolution < lunar month>