proper noun

1. The Earth's moon Luna; the sole natural satellite of the Earth, represented in astronomy and astrology by ☾.

2. The god of the Moon in Heathenry.

3. A surname.

Synonyms: Luna

noun

1. (by extension of Moon) Any natural satellite of a planet.

   “That's no moon, you idiot... it's a space station!”

2. A month, particularly a lunar month.

   “They stayed with their aunt and uncle for many moons.”

3. A crescent-like outwork in a fortification.

   “The moons surrounding the city walls were built in the sixteenth century.”

Synonyms: Moon, calendar month, lunar month, month, natural satellite, satellite

verb

1. To display one's buttocks to, typically as a jest, insult, or protest.

   “It was ill-advised of Sam to moon the photographer during the shoot.”

2. (usually followed by over or after) To fuss over something adoringly; to be infatuated with someone.

   “Sarah mooned over Sam's photograph for months.”

3. To spend time idly, absent-mindedly.