Backstay

A piece of standing rigging running from the masthead (or partway down) to the stern, resisting the forward pull of the headsail.

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Related B-terms

Beating

Working to windward by sailing a succession of close-hauled tacks.

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…

Beam

The greatest width of the vessel measured at its widest point.

Bitter end

The very last part of a line — the end opposite the working end.

Bail

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

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