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

  • n. An unpredictable, abnormally large wave that occurs on a seemingly random basis in the oceans.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A freak, large wave.


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  • A wave that poses significant danger to ships at sea. Defined as a wave whose height is more than twice the significant wave height (SWH), which is defined as the mean of the largest third of waves in a wave record; a.k.a a really big wave.

    January 29, 2008