Dictionary > English Dictionary > Definition, synonym and antonym of moon
Meaning of moon by Wiktionary Dictionary


    The Moon ( quarter Moon )
    The Moon ( full )


    From Middle English mone, from Old English mōna ( “moon” ), from Proto-Germanic *mēnô ( “moon” ), from Proto-Indo-European *mḗh₁n̥s ( “moon, month” ), from *mē-² ( “to measure” ). Cognate with Scots mone, mune ( “moone” ), North Frisian muun ( “moon” ), West Frisian moanne ( “moon” ), Dutch maan ( “moon” ), German Mond ( “moon” ), Swedish måne ( “moon” ), Icelandic máni ( “moon” ), Latin mēnsis ( “month” ) .


    • ( UK, US ) IPA: /muːn/
    • Rhymes: -uːn


    moon ( plural: moons )

    1. The largest satellite of Earth .
    2. Any natural satellite of a planet .
    3. ( literary ) A month, particularly a lunar month.



    moon ( third-person singular simple present moons present participle mooning, simple past and past participle mooned )

    1. ( transitive, colloquial ) To display one's buttocks to, typically as a jest, insult, or protest
    2. ( intransitive, colloquial ) ( usually followed by over or after ) To fuss over something adoringly; to be infatuated with someone .
      Sarah mooned over Sam's photograph for months .
      You've been mooning after her forever, why not just ask her out?

    Related terms

    See also

    • ( moons of Earth ) Luna/‎Moon/‎moon
    • ( moons of Mars ) Phobos,‎ Deimos
    • ( moons of Jupiter ) Metis,‎ Adrastea,‎ Amalthea,‎ Thebe,‎ Io,‎ Europa,‎ Ganymede,‎ Callisto,‎ Themisto,‎ Leda,‎ Himalia,‎ Lysithea,‎ Elara,‎ Euporie,‎ Thelxinoe,‎ Euanthe,‎ Helike,‎ Orthosie,‎ Iocaste,‎ Praxidike,‎ Harpalyke,‎ Mneme,‎ Hermippe,‎ Thyone,‎ Ananke,‎ Herse,‎ Aitne,‎ Kale,‎ Taygete,‎ Chaldene,‎ Erinome,‎ Aoede,‎ Kallichore,‎ Kalyke,‎ Carme,‎ Callirrhoe,‎ Eurydome,‎ Pasithee,‎ Kore,‎ Cyllene,‎ Eukelade,‎ Pasiphaë,‎ Hegemone,‎ Arche,‎ Isonoe,‎ Sinope,‎ Sponde,‎ Autonoe,‎ Megaclite
    • ( moons of Saturn ) Pan,‎ Daphnis,‎ Atlas,‎ Prometheus,‎ Pandora,‎ Epimetheus,‎ Janus,‎ Aegaeon,‎ Mimas,‎ Methone,‎ Anthe,‎ Pallene,‎ Enceladus,‎ Tethys,‎ Telesto,‎ Calypso,‎ Dione,‎ Helene,‎ Polydeuces,‎ Rhea,‎ Titan,‎ Hyperyon,‎ Iapetus,‎ Kiviuq,‎ Ijiraq,‎ Phoebe,‎ Paaliaq,‎ Skathi,‎ Albiorix,‎ Bebhionn,‎ Erriapus,‎ Skoll,‎ Siamaq,‎ Tarqeq,‎ Greip,‎ Hyrrokin,‎ Jarnsaxa,‎ Tarvos,‎ Mundilfari,‎ Bergelmir,‎ Narvi,‎ Suttungr,‎ Hati,‎ Farbauti,‎ Thrymr,‎ Aegir,‎ Bestla,‎ Fenrir,‎ Surtur,‎ Kari,‎ Ymir,‎ Loge,‎ Fornjot
    • ( moons of Uranus ) Cordelia,‎ Ophelia,‎ Bianca,‎ Cressida,‎ Desdemona,‎ Juliet,‎ Portia,‎ Rosalind,‎ Cupid,‎ Belinda,‎ Perdita,‎ Puck,‎ Mab,‎ Miranda,‎ Ariel,‎ Umbriel,‎ Titania,‎ Oberon,‎ Francisco,‎ Caliban,‎ Stephano,‎ Trinculo,‎ Sycorax,‎ Margaret,‎ Prospero,‎ Setebos,‎ Ferdinand
    • ( moons of Neptune ) Naiad,‎ Thalassa,‎ Despina,‎ Galatea,‎ Larissa,‎ Proteus,‎ Triton,‎ Nereid,‎ Halimede,‎ Sao,‎ Laomedeia,‎ Psamathe,‎ Neso
    • ( moons of Pluto ) Charon,‎ Nix,‎ Hydra
    • ( moons of Haumea ) Namaka,‎ Hiʻiaka
    • ( moons of Eris ) Dysnomia
    • lunar
    • Moonie
    • Selene

    External links


Explanation of moon by Wordnet Dictionary


    1. expose one's buttocks to

    2. moon the audience
    3. be idle in a listless or dreamy way

    4. have dreamlike musings or fantasies while awake

    1. any natural satellite of a planet

    2. Jupiter has sixteen moons
    3. the natural satellite of the Earth

    4. the average distance to the Moon is 384,400 kilometers
      men first stepped on the moon in 1969
    5. any object resembling a moon

    6. he made a moon lamp that he used as a night light
      the clock had a moon that showed various phases
    7. United States religious leader ( born in Korea ) who founded the Unification Church in 1954

    8. the light of the Moon

    9. moonlight is the smuggler's enemy
      the Moon was bright enough to read by
    10. the period between successive new moons ( 29.531 days )

    Definition of moon by GCIDE Dictionary


    1. Moon ( mn ), n. [OE. mone, AS. mōna; akin to D. maan, OS. & OHG. māno, G. mond, Icel. māni, Dan. maane, Sw. måne, Goth. mēna, Lith. men, L. mensis month, Gr. μήνη moon, μήν month, Skr. mās moon, month; prob. from a root meaning to measure ( cf. Skr. mā to measure ), from its serving to measure the time. √271. 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; as, “it's been many moons since I last visited Washington”. Shak.

      4. ( Fort. ) A crescentlike outwork. See Half-moon.

      5. The deliberately exposed naked buttocks. [slang]

      Moon blindness. ( Far. ) A kind of ophthalmia liable to recur at intervals of three or four weeks. ( 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. -- blue moon, see blue moon in the vocabulary. -- many moons, a long time.

    2. Moon, v. t. [imp. & p. p. Mooned ; p. pr. & vb. n. Mooning.]
      1. 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.

      2. To expose one's naked buttocks to ( a person ); -- a vulgar sign of contempt or disrespect, sometimes done as a prank.

    3. 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.