Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

cloud

 
 
/klaʊd/ noun

Definition

WEATHER [C, U] a white or grey mass that floats in the sky, made of small water drops: rain/storm clouds The entire region is covered in thick cloud.
DIRTY AIR [C] a mass of gas or very small pieces of something floating in the air: a cloud of dust/smoke
cloudless adjective without clouds
(Definition of cloud noun from the Cambridge Learner's Dictionary © Cambridge University Press)

“cloud” in other dictionaries

Word of the Day

come rain or shine

whatever happens

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