DictionarycloudAirborne mass
noun / verb

cloud

KLOWD/klaʊd/

A visible mass of suspended droplets or particles.

White clouds drift across the blue sky this morning.

A natural white cumulus cloud floats in a blue sky wash, soft water-droplet appearance.
Etymology

Old English clūd meant a rock mass or hill. Its meaning shifted skyward because the piled-up shapes of cumulus clouds resembled masses of rock.

In context

SciShow Kids1:30
When this happens high up in the sky, all those little droplets form what we call a cloud.
Where Does Fog Come From? | Weather Science | SciShow Kids

More examples

  • A cloud of smoke rises from the chimney.
  • The passing truck leaves a cloud of dust behind.
  • Dust clouds the air behind the tractor.

Forms

cloud · clouds · clouded · clouding

cloudy adjective — Covered with clouds or looking hazy.

Similar words

fog
A thick cloud near the ground that reduces visibility.
plume
A rising column of smoke, dust, or vapor.