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.

Word History and Origins

Origin of centerboard¹

An Americanism dating back to 1840–50; center + board

Example Sentences

When he looked again there was but one, a figure sprawled along the keel, clinging to the centerboard.

From Project Gutenberg

The centerboard had floated up and projected at the top, and it was about this that Captain Davis' arms were clasped.

From Project Gutenberg

Jonadab rolled up his shirt sleeves and laid hands on the centerboard stick.

From Project Gutenberg

The table swung to the centerboard-case on hinges, so that when not in use it actually occupied no room at all.

From Project Gutenberg

French Pete put his head up on the other side of the centerboard, his eyes heavy with sleep, and made them welcome.

From Project Gutenberg