LUNAR

[adjective] [not gradable] - of or relating to the moonlunar rocksa lunar eclipsethe lunar surfaceThe first lunar module (= part of a spacecraft in which people travelled to the moon) is now on display at the Smithsonian Air and Space museum in Washington.A lunar month is the period of time (about 29.5 days) which the moon takes to go round the Earth. Compare calendar month at calendar.