2. n. A visible mass of water droplets suspended in the air.
3. n. Any mass of dust, steam or smoke resembling such a mass.
4. n. Anything which makes things foggy or gloomy.
5. n. (figurative) Anything unsubstantial.
6. n. A dark spot on a lighter material or background.
7. n. A group or swarm, especially suspended above the ground or flying.
He opened the door and was greeted by a cloud of bats.
8. n. An elliptical shape or symbol whose outline is a series of semicircles, supposed to resemble a cloud.
The comic-book character's thoughts appeared in a cloud above his head.
9. n. (computing, with "the") The Internet, regarded as an abstract amorphous omnipresent space for processing and storage, the focus of cloud computing.
10. n. (figuratively) A negative or foreboding aspect of something positive: see every cloud has a silver lining or every silver lining has a cloud.
11. n. (slang) Crystal methamphetamine.
12. n. A large, loosely-knitted headscarf worn by women.
13. v. (intransitive) To become foggy or gloomy, or obscured from sight.
The glass clouds when you breathe on it.
14. v. To overspread or hide with a cloud or clouds.
The sky is clouded.
15. v. To make obscure.
All this talk about human rights is clouding the real issue.
16. v. To make less acute or perceptive.
Your emotions are clouding your judgement.
The tears began to well up and cloud my vision.
17. v. To make gloomy or sullen.
18. v. To blacken; to sully; to stain; to tarnish (reputation or character).
19. v. To mark with, or darken in, veins or sports; to variegate with colours.
to cloud yarn
20. v. (intransitive) To become marked, darkened or variegated in this way.
