RAT-TAILED STOPPERA braided tapering line
used on boat falls, mooring lines, and so forth.
REDUCERFitting applied to a fire hydrant to
permit the attachment of a hose of smaller
diameter than the hydrant outlet.
REEFAn underwater ledge rising abruptly from the
floor of the ocean.
REEVETo thread a line through a pulley.
RELATIVE BEARINGThe angle between the
ships head and the object.
RELIEFPerson assigned to assume the duties of
RELIEVE(1) To take the place of another. (2) To
ease the strain on a line.
RIDEA ship at anchor rides to its anchor as it
swings on the chain attached to the anchor.
RIDING LIGHTLight required to be shown by a
vessel at anchor.
RIGTo set up any device or equipment, as rig a stage
over the side.
RIGGINGLines that support a ships masts are
called standing rigging; those used to hoist or
otherwise move equipment are called running
RISERA pipe leading from the firemain to fireplugs
on upper deck levels.
ROLLER CHOCKA mooring chock that contains
a roller for reducing friction.
ROPEGeneral reference to both fiber and wire rope.
Fiber rope usually is referred to as line; wire rope is
called rope, wire rope, or just wire.
ROPE YARN SUNDAYFree time given during a
workday (usually an afternoon) to allow personnel
to take care of personal business.
RUDDERDevice attached to a ships stern that
controls the ships direction of travel.
RUNNER A purchase containing one single-sheave
RUNNING BOWLINEA slipknot made by tying a
small bowline around a lines own standing part.
RUNNING LIGHTSNavigational lights required
to be shown at night by a vessel under way.
SCUPPERThe waterway along the gunwales.
SCUTTLE(1) Round, watertight opening in a
hatch. (2) The act of deliberately sinking a vessel.
SCUTTLEBUTT(1) Originally a ships water
barrel (called a butt), which was tapped (scuttled)
by the insertion of a spigot from which the crew
drew their drinking water; now applied to any
drinking fountain. (2) In the old days the
scuttlebutt was a place for personnel to exchange
views and news when they gathered to draw their
water; hence the term scuttlebutt is applied to any
SEA(1) The ocean in general. (2) The individual
undulations (rolls) of the surface are called waves,
but as a whole they are referred to as seas. Also, a
ship takes a big sea, not a wave, over the bow.
SEA ANCHORA device streamed from the bow of
a vessel for the purpose of holding end-on to the
SEAMANSHIP(1) The art or skill of handling a
vessel. (2) Skill in the use of deck equipment, boat
handling, and the care and use of line and wire.
SEAWORTHYA vessel capable of withstanding
normal heavy weather.
SECOND DECKFirst complete deck below the
SECURE(1) To make fast, as to secure a line to a
cleat. (2) To cease, as to secure from fire drill.
SERVICE FORCEThe organization providing
logistic support to the combatant forces.
SETThe direction toward which a ship is pushed by
the effects of wind and current. See DRIFT.
SETUPTo tighten up, with particular reference to
dogs and turnbuckles.
SHAKE A LEGAn admonishment to move faster.
SHAKEDOWNThe training of a new crew to
develop efficiency in operating a ship.
SHEAVEPulley in a block around which the fall
SHEER STRAKEThe uppermost strake in a ships
SHEET BENDSame as a becket bend.
SHELLA vessels hull plating from the keel to the
main deck; also called skin.