1. the earth's natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2,160 miles (3,476 km).
2. this body during a particular lunar month, or during a certain period of time, or at a certain point of time, regarded as a distinct object or entity.
3. a lunar month, or, in general, a month.
4. any planetary satellite: the moons of Jupiter.
5. something shaped like an orb or a crescent.
6. moonlight (def. 1).
7. a platyfish.
8. the buttocks, especially when bared.

9. to act or wander abstractedly or listlessly: You've been mooning about all day.
10. to sentimentalize or remember nostalgically: He spent the day mooning about his lost love.
11. to gaze dreamily or sentimentally at something or someone: They sat there mooning into each other's eyes.
12. to expose one's buttocks suddenly and publicly as a prank or gesture of disrespect.

13. to spend (time) idly: She mooned the afternoon away, unable to think what to do next.
14. to illuminate by or align against the moon.
15. to expose one's buttocks to as a prank or gesture of disrespect.

16. See entry at blue moon.
17. See entry at over the moon.

1. Korean religious leader: founder of the Unification Church.

1. the natural satellite of the earth. Diameter: 3476 km; mass: 7.35 × 10 22 kg; mean distance from earth: 384 400 km; periods of rotation and revolution: 27.32 days
2. the face of the moon as it is seen during its revolution around the earth, esp at one of its phases
3. any natural satellite of a planet
4. moonlight; moonshine
5. something resembling a moon
6. a month, esp a lunar one
7. very seldom
8. extremely happy; ecstatic
9. to desire or attempt something unattainable or difficult to obtain

10. to be idle in a listless way, as if in love, or to idle (time) away
11. to expose one's buttocks to passers-by

1. a system of embossed alphabetical signs for blind readers, the fourteen basic characters of which can, by rotation, mimic most of the letters of the Roman alphabet, thereby making learning easier for those who learned to read before going blind

1. William. 1818–94, British inventor of the Moon writing system in 1847, who, himself blind, taught blind children in Brighton and printed mainly religious works from stereotyped plates of his own designing

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