billow

To billow is to swell outward or to move or rise up as if caused by waves.

(verb)

  1. An example of billow is when fabric blows outward in the wind.
  2. An example of billow is when smoke wafts upward in gentle waves.

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See billow in Webster's New World College Dictionary

noun

  1. a large wave; great swell of water
  2. any large swelling mass or surge, as of smoke, sound, etc.

Origin: ON bylgja: see belly

intransitive verb

to surge, swell, or rise like or in a billow

transitive verb

to make billow or surge

See billow in American Heritage Dictionary 4

noun
  1. A large wave or swell of water.
  2. A great swell, surge, or undulating mass, as of smoke or sound.
verb bil·lowed, bil·low·ing, bil·lows
verb, intransitive
  1. To surge or roll in billows.
  2. To swell out or bulge: sheets billowing in the breeze.
verb, transitive
To cause to billow: wind that billowed the sails.

Origin:

Origin: From Old Norse bylgja, a wave; see bhelgh- in Indo-European roots

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Related Forms:

  • bilˈlow·i·ness noun
  • bilˈlow·y adjective

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