Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “cloud”

See all translations

cloud

noun uk   /klaʊd/ us  

cloud noun (IN SKY)

A2 [C] ( UK also cloud [U]) a grey or white mass in the sky, made up of very small floating drops of water: Do you think those are rain clouds on the horizon? The sky was a perfect blue - not a cloud in sight. Dark clouds massed on the horizon. UK There was so much cloud, we couldn't see anything.
More examples

cloud noun (MASS)

B2 [C] a mass of something such as dust or smoke that looks like a cloud: On the eastern horizon, a huge cloud of smoke from burning oil tanks stretched across the sky. The initial cloud of tear gas had hardly cleared before shots were fired.

cloud noun (COMPUTING)

the cloud [S] a computer network where files and programs can be stored, especially the internet: All the photographs are kept on the cloud rather than on hard drives.

cloud

verb uk   /klaʊd/ us  
[I or T] If something transparent clouds, or if something clouds it, it becomes difficult to see through.C2 [T] to make someone confused, or make something more difficult to understand: When it came to explaining the lipstick on his collar, he found that drink had clouded (= confused) his memory.
Phrasal verbs
(Definition of cloud from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of cloud?
Add Cambridge dictionaries to your browser to your website

Definitions of “cloud” in other dictionaries

Word of the Day

punt

a long, narrow boat with a flat bottom and a square area at each end, moved by a person standing on one of the square areas and pushing a long pole against the bottom of the river

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More