centreboard

British  

/ ˈsɛntəˌbɔːd /

noun

1. a supplementary keel for a sailing vessel, which may be adjusted by raising and lowering Compare daggerboard

---

Example Sentences

Mahogany over a steel frame, with keel, stem, and sternpost of wood, a dagger-plate centreboard streamlined and built of teak, plated with bronze.

From Time Magazine Archive

First they rip off each other's ruby-red ventral fins which look like a sailboat's centreboard.

From Time Magazine Archive

He impressed carefully on his mind the part of the boat in which he might, under favourable circumstances, expect to find the centreboard tackle.

From Priscilla's Spies by Birmingham, George A.

J. G. Ross, Mariner’s Harbor, Staten Island, N.Y., a 12-foot round-bottomed row-boat with centreboard and oars, for a photographic outfit, a bicycle or a press.

From Golden Days for Boys and Girls Volume VIII, No 25: May 21, 1887 by Elverson, James

Priscilla, leaving Frank to steer, settled herself comfortably on the weather side of the boat between the centreboard case and the gunwale.

From Priscilla's Spies by Birmingham, George A.