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SHIFT —(1) The act of the wind in changing
direction. (2) The act of moving a rudder with
angle on it to the same angle on the opposite side.
SHIFT COLORS —To change the arrange-
ment of the colors upon getting under way or
coming to moorings.
SHIP —(1) Any large seagoing vessel capable
of extended independent operation. (2) To take
on water unintentionally.
SHIP OVER —To reenlist in the Navy.
SHIPSHAPE —Neat, clean, taut, in fine
shape.
SHOAL —Similar to a reef, but more gradual
in its rise from the floor of the ocean.
SHORE —(1) The land in general, but usually
refers to that part adjacent to the water. (2) A
timber used in damage control to brace bulkheads
and decks.
SHROUD —A line or wire that provides
athwartship support for a mast.
SICK BAY —Shipboard space used as a
hospital.
SIDE BOY —One of a group of seamen who
form two ranks at the gangway as part of the
ceremonies conducted for visiting officials.
SIDE LIGHT —One of the required running
lights. The starboard side light is green and the
port side light is red.
SIDE PORT —A watertight opening in a
ship’s side that is used as a doorway.
SIGHT —(1) To see for the first time, as to
sight a ship on the horizon. (2) A celestial
observation.
SKYLARK —To engage in irresponsible horse-
play.
SLACK —(1) To allow a line to run out.
(2) Having little or no discipline, as a slack ship.
SLIP —(1) To free a ship of its anchor by
disconnecting the cable or by allowing its bitter
end to run out. (2) A narrow space between two
piers, or the space between two rows of piles that
guide a ferryboat into its berth.
SMALL CRAFT —Any less-than-ship-sized
vessel.
SMALL STORES —Personal needs for sailors,
such as articles of clothing.
SMART —Snappy, seamanlike, shipshape.
SNAKING —Netting stretched between the
gunwales and footrope (see Lifeline) to prevent
objects from going over the side.
SNUB —The act of suddenly checking a line
that is running out under a strain.
SOPA —Abbreviation for senior officer present
afloat.
SOUND —(1) To determine the depth of
water. (2) The act of a whale or similar creature
in diving deep. (3) A body of water between the
mainland and a large coastal island.
SPANNER —A wrench used for tightening
couplings on a fire hose.
SPAR —A long cylindrical member of wood
or metal, tapered at the ends; usually attached to
a mast for use as a boom or for the attachment
of equipment such as signal halyards. See Boat
Boom; Yardarm.
SPAR BUOY —A buoy shaped like a spar.
Usually indicates special areas, such as a quarantine
anchorage (yellow) or normal anchorage (white),
but may be used to indicate a channel (painted
red or green, as appropriate).
SPECIAL SEA DETAIL —Personnel aboard
ship assigned special duties connected with leaving
and entering port.
SPLICE —The act of intertwining strands of
lines or wires to join them together or to make
an eye; the joint so made.
SPRING —A mooring line that leads forward
(or aft) at an angle from ship to pier. Its purpose
is to check the fore and aft movement of the ship.
SPRING LAY —Wire rope in which each
strand consists partly of wire and partly of
tarred hemp or similar fiber.
SQUADRON —Two or more divisions of
ships or aircraft.
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