a visible mass of condensed watery vapour floating in the atmosphere, typically high above the general level of the ground

the sun had disappeared behind a cloud

the sky was almost free of cloud

used to refer to a state or cause of gloom, suspicion, trouble, or worry

the only cloud on the immediate horizon is raising a mortgage

the dark clouds of a major recession

a black cloud hung over their lives

networked computing facilities providing remote data storage and processing services via the internet

there's a rich, complex, shared data store in the cloud

once you are logged in to your cloud storage space, you can upload files to it and share them with others

(of the sky) become overcast or gloomy

the blue skies clouded over abruptly

make or become less clear or transparent

blood pumped out, clouding the water

her eyes clouded with tears

(of someone's face or eyes) show an emotion such as worry, sorrow, or anger

his expression clouded over