Definitions for "Lunation"
The period of a synodic revolution of the moon, or the time from one new moon to the next; varying in length, at different times, from about 29 1/4 to 29 5/6 days, the average length being 29 d., 12h., 44m., 2.9s.
Same as synodical month.
the period of time between two consecutive new moons.
The crescent shaped decorations around the outside of a Labyrinth, especially those around the Chartres Cathedral style. They consist of foils (indentations) and cusps (hourglass protrusions). The Chartres Labyrinth has 112 complete foils and 113 cusps.