Helm The wheel or tiller by which a ship is
steered.
Holding Tank Storage tank for sewage so that it will
not be pumped overboard into the
water.
Hull The body of a boat.
Hypothermia A physical condition where the body
loses heat faster than it can produce it.
Inboard More toward the center of a vessel;
inside; a motor fitted inside the boat.
Inland Rules Rules of the road that apply to vessel
operation in harbors and certain rivers,
lakes and inland waterways.
Intracoastal Waterways (ICWs) bays, rivers and canals
along the coasts (such as Atlantic and
Gulf of Mexico coasts) connected so
that vessels may travel without going
into the open sea.
Jetty A structure, usually masonry,
projecting out from the shore; a jetty
may protect a harbor entrance.
Keel The permanently positioned fore and
aft backbone member of a boat’s hull.
Knot To bend a line. Also, a unit of speed
equal to one nautical mile (6,076.10
feet) an hour.
Launch (1) To put a vessel into the water;
(2) A small open powerboat mainly
used for transportation between a
vessel and shore.
https://www.boat-manuals.com/lund/