1. Of or pertaining to the moon; as, lunar observations.
2. Resembling the moon; orbed.
(Science: medicine) lunar caustic tables for correcting an observed lunar distance on account of refraction and parallax. Lunar year, the period of twelve lunar months, or 354 days, 8 hours, 48 minutes, and 34.38 seconds.
1. (Science: astronomy) a lunar distance.