gunwale definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the upper edge of the side of a ship or boat
Origin: Late Middle English gonne walle (see gun and amp; wale): first applied to bulwarks supporting a ship's guns
gunwale definition by American Heritage Dictionary
also gun·nelnoun Nautical
The upper edge of the side of a vessel.
Origin: So called because guns were mounted on it.