Hatch

A large, usually closable opening in the deck or coachroof for access, ventilation, or light.

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Related H-terms

Headboard

A small reinforcing plate built into the head of a sail to spread halyard load.

Headstay

See forestay — the standing rigging from bow to masthead.

Headed

A windshift in which the wind moves forward on the boat, forcing the helm to bear away or …

Hydrogenerator

A towed or transom-mounted propeller-driven generator that extracts electrical energy from…

Heave to

To balance the boat almost stationary by backing the headsail, lashing the helm to leeward…

Headway

Forward movement through the water.

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