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fin keel

See more synonyms for fin keel on Thesaurus.com
noun Nautical.
  1. a finlike projection extending downward from the keel of a sailboat, serving to prevent lateral motion and acting as additional ballast.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fin keel

Historical Examples

  • The fin-keel requires great depth if it is to be of any real use, and it is in this particular point that small yachts suffer.

    Yachting Vol. 1

    Various.

  • As to whether a fin-keel or a weighted centreboard is the better, he has not yet made up his mind.

  • The shark-bodied cutter, with her fin-keel below and her balloon above, was indeed now moving toward a position above the cruiser.

British Dictionary definitions for fin keel

fin keel

noun
  1. a projection from the keel of a vessel to give it additional stability
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012