Noun
the period between successive new moons (29.531 days)
Source: WordNetThe moon makes her circuit of the heaven in twenty-eight days plus about an hour, and with her return to the sign from which she set forth, completes a lunar month. Vitruvius
A lunar month is the time it takes the Moon to pass through all of the Moon phases, usually measured from a New Moon the next New Moon. Source: Internet
Hekate's Deipnon is, at its most basic, a meal served to Hekate and the restless dead once a lunar month on the night when there is no visible moon, usually noted on modern calendars as the new moon. Source: Internet
In each solar year (1 January to 31 December inclusive), the lunar month beginning with an ecclesiastical new moon falling in the 29-day period from 8 March to 5 April inclusive is designated as the paschal lunar month for that year. Source: Internet
Easter was henceforward to be a Sunday in a lunar month chosen according to Christian criteria—in effect, a Christian Nisan—not in the month of Nisan as defined by Jews. Source: Internet
Each full moon Poya day marks the start of a Buddhist lunar month. Source: Internet