bilge keel

noun Nautical.

either of two keellike projections extending lengthwise along a ship's bilge, one on each side, to retard rolling.

Origin of bilge keel

First recorded in 1840–50
Also called bilge piece. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bilge keel

  • If her bilge-keel doesn't cooper him, her port propeller will!

British Dictionary definitions for bilge keel

bilge keel


one of two keel-like projections along the bilges of some vessels to improve sideways stability
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