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drop keel

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noun Nautical.
  1. centerboard.

Origin of drop keel

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for drop keel

Historical Examples

  • The drop-keel was for the first time placed in a life-boat in 1885.

    Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5

    Various