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English definition of “moon”

moon

noun
 
 
/muːn/
the moon A2 the round object that shines in the sky at night and moves around the EarthAstronomy - general words
crescent/full/new moon the shape made by the amount of the moon that you can see at a particular timeAstronomy - general words
[C] a round object like the moon that moves around another planet: The planet Saturn has eighteen moons.Astronomy - general words
(Definition of moon from the Cambridge Learners Dictionary © Cambridge University Press)
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