adj
lunar
LOO-nuh
adj
1
Relating to, or associated with, the moon.
"The astronauts studied lunar rock samples brought back from the mission."
"A lunar eclipse occurs when the Earth blocks sunlight from reaching the moon."
2
Shaped like a crescent moon.
"The pendant had a delicate lunar curve to it."
noun
1
A small bone in the wrist, shaped like a half-moon.
"The X-ray showed a hairline fracture in the lunar bone."
How to Use Lunar
Learner’s notesIn plain EnglishAnything to do with the moon — its surface, its cycles, or space missions that travel there.
Common pairings
lunar eclipse
lunar module
lunar calendar
lunar surface
Word Forms
lunars plural
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The astronauts studied _____ rock samples brought back from the mission.
Etymology
From Latin lunaris ("of the moon"), from luna ("moon"), from a very old Indo-European root meaning "to shine."