2017 OWNERS MANUAL / 460
GLOSSARY OF
TERMS
GLOSSARY OF TERMS
ABYC – American Boat and Yacht Council, Inc.
AFLOAT – On the water.
AFT – Toward the rear or stern of the boat.
AGROUND – Touching bottom of a body of water.
AMIDSHIP – Center or middle of the boat.
ANCHOR – (1) A heavily weighted object designed to grip the bottom
of the body of water to hold the boat. (2) The act of setting the
anchor.
ASHORE – On the shore.
BAIL – To remove water from the bottom of the boat with a pump,
bucket, sponge, etc.
BALLAST – Any solid or liquid weight placed in a boat to increase the
draft, and change a boat’s position in the water.
BEAM – The widest point on the boat.
BEARING – The direction of an object from current location.
BILGE – The lowest interior section of the boat hull. Generally water
is designed to drain to this point on the boat so it can be pumped
overboard.
BOARD – To enter the boat.
BOUNDARY WATERS – A body of water between two areas of juris-
diction; i.e., a river between two states.
BOW – The forward portion of the boat.
BULKHEAD – Vertical partition (wall) in a boat.
BUNKS – Carpeted trailer hull supports. MasterCraft boats rest
directly on carpeted trailer bunks when loaded onto their trailers.
BURDENED BOAT – Term for the boat that must “give-way” to boats
with the right-of-way.
CAPACITY PLATE – An informational decal visible from the helm
station that provides maximum weight and passengers capacity
information.
CAPSIZE – To turn over.
CAST-OFF – To unfasten mooring lines in preparation for departure.
CATHODE – An electrode carrying a negative charge.
CENTER LINE – A lengthwise imaginary line which runs fore and aft
with the boat’s keel.
CHINE – The point on a boat where the hull side intersects (meets)
the hull bottom.
CLEAT – A deck fitting to which mooring lines are fastened.
STARTER BATTERY – The main battery used for engine starting and
electrical circuits.
CURRENT – The flow of water in a body of water. Current can vary in
strength and direction.
DEADRISE – The vertical distance between a line horizontal to the
keel of a vessel and its chine.
DECK – The open surface on the boat where the passengers walk.
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