- a pivoted fin keel that can be swung upward and aft within a watertight trunk when not in use.
Origin of centerboard
Also called drop keel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for centerboard
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.
You were right in insisting on shallow draught and a centerboard.Johnstone of the Border
Joe dropped the centerboard and returned, to be stationed at the jib-sheet.The Cruise of the Dazzler
If I could get to the centerboard and drop it, I believed the sloop would ride better and could be steered.