Glossary of Narrow-Boat terms - Braunston Marina
5 days ago ... This will help you buy your narrowboat. ... If you are new to boating we hope you find the following glossary helpful. ... Strictly, the 'air space' inside a boat's hull lying beneath the level of the port and starboard bilge ... wale constructed around the upper deck to take the weight of cannons, hence 'gunwale'.