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centerboard

[sen-ter-bawrd, -bohrd]
noun Nautical.
  1. a pivoted fin keel that can be swung upward and aft within a watertight trunk when not in use.
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Compare daggerboard.

Origin of centerboard

An Americanism dating back to 1840–50; center + board
Also called drop keel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for centerboard

Historical Examples

  • It was long, narrow, and low in freeboard and was fitted with a centerboard.

    The Migrations of an American Boat Type

    Howard I. Chapelle

  • I leaped down into the cockpit and quickly lowered the centerboard.

    Swept Out to Sea

    W. Bertram Foster

  • You were right in insisting on shallow draught and a centerboard.

  • Joe dropped the centerboard and returned, to be stationed at the jib-sheet.

  • If I could get to the centerboard and drop it, I believed the sloop would ride better and could be steered.

    Swept Out to Sea

    W. Bertram Foster