of or relating to the moon occurring on, used on, or designed to land on the surface of the moon: lunar module relating to, caused by, or measured by the position or orbital motion of the moon
WordReference Random House Learner's Dictionary of American English © 2026
lu•nar /ˈlunɚ/USA pronunciation
adj. [before a noun]
WordReference Random House Unabridged Dictionary of American English © 2026- Astronomyof or relating to the moon:lunar orbit; a lunar month.
lu•nar
(lo̅o̅′nər),USA pronunciation adj.
n.
- Astronomyof or pertaining to the moon:the lunar orbit.
- Astronomymeasured by the moon's revolutions:a lunar month.
- resembling the moon;
round or crescent-shaped. - Chemistryof or pertaining to silver.
n.
- Astronomya lunar observation taken for purposes of navigation or mapping.
- Latin lūnāris of the moon. See Luna, -ar1
- 1585–95
Collins Concise English Dictionary © HarperCollins Publishers::
'lunar orbit' also found in these entries (note: many are not synonyms or translations):