lunar month
noun
Origin of lunar month
First recorded in 1585–95
Words nearby lunar month
British Dictionary definitions for lunar month
Scientific definitions for lunar month
lunar month
The average time between successive occurrences of the same phase of the Moon, equal to approximately 29 days, 12 hours, 44 minutes. Depending on the lunar calendar being used, a lunar month can begin with the new moon or the full moon. Also called lunation synodic month♦ A period of 12 lunar months is a lunar year.