Batten

A thin strip of timber, fibreglass, or carbon inserted into a pocket along the leech of a sail to maintain its aerodynamic shape.

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Related B-terms

Bail

To remove water from inside the vessel, traditionally with a bucket or scoop.

Bilge

The lowest internal part of the hull, where water inevitably drains and collects.

Battery monitor

An instrument that integrates current flow over time to report the true state of charge an…

Bow Spring

A dockline led from the bow aft along the dock, preventing the boat from surging forward.

Bimini

A fabric sun awning stretched over a stainless-steel frame above the cockpit to shelter th…

Boat hook

A shaft with a hook and a blunt end, used for snagging mooring lines, retrieving overboard…

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