Silverton 42 C, Owner'S Manual, Page: 155 / 210

GLOSSARY-3
KEEL: The centerline of a yacht running fore and aft
at the lowest point of the hull.
KNOT: (1) A Maritime unit of speed equal to 1.15
miles per hour. (2) A term for hitches and bends in
a line of rope.
LAZARETTE: Storage compartments below the deck
at the stern of the yacht.
LIST: A vessel that inclines to Port or Starboard by
its own means.
LOCKER: A seaman’s term for a closet.
LONGITUDINAL: Lengthwise.
MIDSHIPS: Area in the center of a boat.
MOORING: An arrangement for securing a yacht to
a mooring buoy or pier.
NAUTICAL MILE: An international standard for a
mile that measures 6076.12 ft.
NAVIGATIONAL LIGHTS: A set of red, green and
white lights which indicate the presence of a vessel
and must be illuminated between the hours of dusk
and dawn and during times of restricted visibility (fog,
rain, snow, etc.).
OVERHEAD: The ceiling or roof of a yacht.
OUTBOARD: (1) From the centerline of a yacht to
the Port and Starboard sides. (2) The seaward side
of a moored yacht.
PASSAGEWAY: A corridor or hallway aboard
ship.
PERSONAL FLOTATION DEVICE (PFD): Life pre-
server or life vest.
PIER: A loading platform that extends at an angle
from the shore.
PILING: Support or protection for wharfs, piers,
etc.
PITCH: (1) The vertical motion of a yacht in a seaway
about the athwartship axis. (2) The axial advance
in inches of a propeller during one complete revolu-
tion.
PLANING HULL: At slow speeds, a planing hull will
displace water in the same manner as a displacement
hull. As speed increases, the hull provides a lifting
effect up onto the surface of the water.
PORT: (1) Looking forward, the left side of a yacht
from bow to stern. (2) A harbor.
PORT BEAM: The left center of a yacht.
PORT BOW: Looking forward, the front, left side of
the bow.
PORT QUARTER: Looking forward, the left rear
section of a yacht.
PULPIT: Rails at the bow of a boat.
QUARTER: The sides of a yacht aft of amidships.
QUARTERING SEA: Sea (waves) coming from a
yacht’s quarter.
RADAR: An electronic system that uses high fre-
quency radio waves.
RADIO BEARING: The direction that is determined
by the radio.
RAIL: The bars that are found at the edge of a boat
to prevent passengers from falling overboard.
RIGGING: Equipment used to support and control
the spars and sails.
RODE: The anchor line or chain.
RUNNING LIGHTS: Refer to “Navigational Lights”.
RUBRAIL, STRAKE, OR GUARD: A protective strip
located along the hull.
RUDDER: A vertical plate used to steer the yacht.
SALON: The main social cabin of a yacht.
SCOPE: A ratio used to measure the distance from
the bow of the boat to the bottom of the water; ac-
cording to how much of the anchor was dropped.
SCREW: A propeller.
SCUPPER: A drain from the edge of the deck or
cockpit that discharges overboard.