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Moon Definition

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Other Moon Definition

[n] any natural satellite of a planet; "Jupiter has sixteen moons"
[n] the natural satellite of the Earth; "the average distance to the moon is 384,400 kilometers"; "men first stepped on the moon in 1969"
[n] any object resembling a moon; "he made a moon lamp that he used as a night light"; "the clock had a moon that showed various phases"
[n] the light of the moon; "moonlight is the smuggler's enemy"; "the moon was bright enough to read by"
[n] the period between successive new moons (29.531 days)
[v] expose one's buttocks to; "moon the audience"
[v] be idle in a listless or dreamy way
[v] have dreamlike musings or fantasies while awake; "She looked out the window, daydreaming"

Misc. Definitions

\Moon\, n. [OE. mone, AS. m[=o]na; akin to D. maan, OS. & OHG. m[=a]no, G. mond, Icel. m[=a]ni, Dan. maane, Sw. m[*a]ne, Goth. m[=e]na, Lith. men?, L. mensis month, Gr. ? moon, ? month, Skr. m[=a]s moon, month; prob. from a root meaning to measure (cf. Skr. m[=a] to measure), from its serving to measure the time. [root]27
1. Cf. {Mete} to measure, {Menses}, {Monday}, {Month}.]
1. The celestial orb which revolves round the earth; the satellite of the earth; a secondary planet, whose light, borrowed from the sun, is reflected to the earth, and serves to dispel the darkness of night. The diameter of the moon is 2,160 miles, its mean distance from the earth is 240,000 miles, and its mass is one eightieth that of the earth. See {Lunar month}, under {Month}. The crescent moon, the diadem of night. --Cowper.
2. A secondary planet, or satellite, revolving about any member of the solar system; as, the moons of Jupiter or Saturn.
3. The time occupied by the moon in making one revolution in her orbit; a month. --Shak.
4. (Fort.) A crescentlike outwork. See {Half-moon}. {Moon blindness}. (a) (Far.) A kind of ophthalmia liable to recur at intervals of three or four weeks. (b) (Med.) Hemeralopia. {Moon dial}, a dial used to indicate time by moonlight. {Moon face}, a round face like a full moon. {Moon madness}, lunacy. [Poetic] {Moon month}, a lunar month. {Moon trefoil} (Bot.), a shrubby species of medic ({Medicago arborea}). See {Medic}. {Moon year}, a lunar year, consisting of lunar months, being sometimes twelve and sometimes thirteen.
\Moon\, v. t. [imp. & p. p. {Mooned}; p. pr. & vb. n. {Mooning}.] To expose to the rays of the moon. If they have it to be exceeding white indeed, they seethe it yet once more, after it hath been thus sunned and mooned. --Holland.
\Moon\, v. i. To act if moonstruck; to wander or gaze about in an abstracted manner. Elsley was mooning down the river by himself. --C. Kingsley.

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