Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

moon

noun
 
 
/muːn/

Definition

the moon [S] A2 the round object that moves in the sky around the Earth and can be seen at night: What time does the moon rise/set (= appear/disappear in the sky)?Astronomy - general words [S or U] the shape made by the amount of the moon that you can see at a particular time: There's no moon (= you cannot see the moon) tonight. a crescent/full/new moonAstronomy - general words [C] a similar round object that moves around another planet: Jupiter has at least 16 moons.Astronomy - general words
(Definition of moon noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“moon” in other dictionaries

Word of the Day

everything under the sun

everything that exists or is possible

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More