Harbor – A place to drop anchor and secure a ship, often featuring a dock and accompanying facilities

Hard Chine – A sharp-angled intersecting of the bottom and sides of a boat

Hatch – A portal in a ship’s deck -- usually fitted with a waterproof cover -- which passengers enter and exit and cargo can be stored

Head -- A ship’s bathroom facilities, or the upper corner of a ship’s sail. Do not get them confused.

Heading -- The course a ship is traveling in, defined in terms of compass directions

Headway -- A ship’s forward movement. As opposed “Sternway”

Helm -- the device – steering wheel or “Tiller” – which controls the boat’s “Rudder”  

Helmsperson -- Believe it or not, the person in charge of operating the “Helm”

Hitch -- a type of knot used to form a loop or noose to attach a line to something else

Hold -- a storage compartment beneath the deck of large craft

Hull -- A boat’s main body structure