Moon phases #rockinreview
waxing is a cover or treat (something) with wax or a similar substance, typically to polish or protect it. Waning (of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size. Gibbous having the observable illuminated part greater than a semicircle and less than a circle. Crescent: the curved sickle shape of the waxing or waning moon.
lunar cycle: another term for Metonic cycle