[lee-bawrd, -bohrd]

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for leeboard

Historical Examples of leeboard

  • 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.

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

  • 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