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[lee-bawrd, -bohrd] /ˈliˌbɔrd, -ˌboʊrd/
noun, Nautical.
either of two broad, flat objects attached to the sides of a sailing ship amidships, the one on the lee side being lowered into the water to prevent the ship from making leeway.
Origin of leeboard
1400-50; late Middle English: the lee side of a ship; see lee1, board Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for leeboard
Historical Examples
  • The leeboard is a necessary attachment to the sailing outfit.

    Boy Scouts Handbook Boy Scouts of America
  • In rough water a centreboard must strain a boat more than a leeboard does.

    Yachting Vol. 1 Various.
  • The pleasure of sailing was thus denied to me for several years afterwards, and all through my ignorance of the leeboard.

    Yachting Vol. 1 Various.
  • The leeboard, like a centre board, is of course intended to keep the canoe from sliding off when trying to beat up into the wind.

    Boy Scouts Handbook Boy Scouts of America
  • With this arrangement the leeboard could be raised and lowered and also shifted to the lee side on each tack.

British Dictionary definitions for leeboard


(nautical) one of a pair of large adjustable paddle-like boards that may be lowered along the lee side to reduce sideways drift or leeway
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
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