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
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That includes using a technique called atomic interferometry or quantum sensors to make measurements across the solar system, such as lunar laser ranging, or on wider astronomical scales such as measuring the dynamics of planets.—Robert Lea, Space.com, 15 June 2026 If the main engines were to become inoperative, six smaller orbit-control thrusters can still be activated on the lunar surface, providing an alternative pathway for a rapid ascent.—Bojan Stojkovski, Interesting Engineering, 14 June 2026 The company leveraged digital twin technology to iterate upon its existing designs and make a more compact lunar rover.—Chris Young
june 13, New Atlas, 13 June 2026 Also flying is the Lunar Trailblazer, a mission selected under NASA’s Small Innovative Missions for Planetary Exploration (SIMPLEx) program, a small satellite designed to provide an understanding of the form, abundance, and distribution of water on the moon, as well as the lunar water cycle.—Richard Tribou, The Orlando Sentinel, 12 June 2026 See All Example Sentences for lunar
Word History
Etymology
Middle English lunare, borrowed from Latin lūnāris "of the moon, crescent-shaped," from lūna "moon" + -āris-ar; lūna going back to Indo-European *lou̯k-s-neh2, derivative of the verb stem *leu̯k- "become bright," whence also Old Church Slavic luna "moon," Russian luná, Old Prussian lauxnos "stars," Armenian lusin "moon"; from a stem *lou̯k-s-no- Old Irish lúan in día lúain "Monday," Avestan raoxšna- "light," (with presumed zero-grade) Greek lýkhnos "lamp" — more at light entry 1