from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A wave with a crest of foam.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. any of several birds having a white patch on the head
  • n. a wave having a white crest; a breaker

from the GNU version of the Collaborative International Dictionary of English

  • n.
  • n. The European redstart; -- so called from its white forehead.
  • n. The whitethroat; -- so called from its gray head.
  • n. The European tree sparrow.
  • n. A wave whose crest breaks into white foam, as when the wind is freshening.
  • n. A member of a self-appointed vigilance committee attempting by lynch-law methods to drive away or coerce persons obnoxious to it. Some early ones wore white hoods or masks.

from The Century Dictionary and Cyclopedia

  • n. The inner chaff of wheat: chiefly in the plural.
  • n. The male redstart, a bird, Ruticilla phœnicura. See first cut under redstart.
  • n. The tree-or mountain-sparrow, Passer montanus.
  • n. 3. plural The common mushroom, Agaricus campestris.
  • n. Nautical, a wave with a broken crest showing as a white patch; a white horse.
  • n. [capitalized] One of a self-constituted body or committee of persons, who, generally under the guise of rendering service or protection to the community in which they dwell, commit various outrages and lawless acts.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a wave that is blown by the wind so its crest is broken and appears white


Sorry, no etymologies found.


  • Then under the whitecap is a gleam of silver again.

    Wood Folk at School

  • A whitecap foamed above it and broke across in a snow-white smother.

    Chapter 19

  • A big whitecap broke just beyond, washing over the barge and leaving the Alma half swamped.


  • Then the strange sucks would grip my legs and drag me under, to spout me up in some fierce boiling, where, even as I tried to catch my breath, a great whitecap would crash down upon my head.


  • Should they dive for a baitfish and get clobbered by a breaking whitecap, they are finished.


  • You are not representing your team very well and in fact are tarnishing whitecap supporters with that childish, rude rant.

    Sober Second Thoughts: the cigar is just a cigar

  • A steady but gentle breeze raised the occasional whitecap.

    Sea of Thunder

  • The whitecap probably doesn't know any better; comes from a generation when everyone pledged allegiance to the same master year after year.


  • As the aeroplane buried itself into the near vertical face of the next towering whitecap, our seat-belts fulfilled their purpose, absorbed our energy and brought us to a teeth-rattling halt.

    Second Wind

  • The bay waters lay absolutely still not a whitecap in sight.

    The Silent Cradle


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