billow Hear it!

billow definition

bil·low (bil′ō)

noun

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

Etymology: ON bylgja: see belly

intransitive verb

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

transitive verb

to make billow or surge

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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