lunar

adjective

lu·​nar ˈlü-nər 

 also  -ˌnär

1

: crescent, lunate

who grasps the struggling heifer's lunar horns

—Alexander Pope

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

Examples of lunar in a Sentence

Recent Examples on the Web

Blue Origin is working with NASA in this latest round of commercial crew contracts and developing a lunar lander for the Artemis program. —Discover Magazine, 3 May 2024

Artemis 2 will carry astronauts around the moon on a ten-day flight, while Artemis 3 will bring astronauts near the lunar south pole for the first time. —Will Sullivan, Smithsonian Magazine, 3 May 2024

Word History

Etymology

Middle English, from Latin lunaris, from luna moon; akin to Latin lucēre to shine — more at light

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing lunar

• lunar caustic
• lunar eclipse
• lunar module
• lunar month

Kids Definition

lunar

adjective

lu·​nar ˈlü-nər 

1

: of, relating to, or resembling the moon

lunar craters

a lunar landscape

2

: measured by the moon's revolution

lunar month

Medical Definition

lunar

adjective

lu·​nar

ˈlü-nər also -ˌnär

: lunate