The Sailor's Word-Book
Chapter 221 : SHROUD-TRUCKS. Small pieces of wood with holes in them, but no sheaves; they are seize

SHROUD-TRUCKS. Small pieces of wood with holes in them, but no sheaves; they are seized on the standing-rigging as fair leaders for the running-rigging. (_See_ BULL'S-EYE.)

SHUNT. A term recently introduced among engineers and gunners; but traceable back to the year 931, a "zunte-stone" being placed on a spot where the road deviated.

SHURGEE. A prevailing S.E. wind in the Gulf of Persia; it is usually preceded by a heavy dew, which is quite the reverse with the _s.h.i.+mal_.

SHUT IN, TO. Said of landmarks or points of land, when one is brought to transit and overlap the other, or intercept the view of it.

SHUTTING ON. Joining the arms of an anchor to its shank. Also, welding one piece of iron to another to lengthen it.

SICK-BAY. A portion of the fore-part of the main-deck, reserved for the accommodation of the sick and wounded; any other place set apart for invalids is called the _sick-berth_.

SICK-BERTH ATTENDANT. _See_ LOBLOLLY-BOY.

SICK-BOOK. An account of such officers and men as are on the sick list on board, or are sent to an hospital, hospital-s.h.i.+p, or sick-quarters.

SICK-FLAG. The yellow quarantine flag, hoisted to prevent communication; whence the term of the yellow flag, and yellow admirals. There are two others--one with a black ball, the other with a square in the centre--denoting plague, or actual diseases.

SICK-MESS. A table for those on the doctor's list. When seamen are thus placed, their provisions are turned over to the surgeon, who accounts for their re-purchase by government, if not consumed, and the proceeds are applied to purchase comforts beyond those allowed by the service.

SICK-TICKET. A doc.u.ment given to an officer, seaman, or marine, when sent to an hospital, certified by the signing officer and the surgeon, stating the entry, rank, rating, &c., together with other particulars.

SIDE. All that part of a s.h.i.+p which extends from stem to stern in length, and from the upper edge of the gunwale above, to the lower edge of the main-wale, below which the _bottom_ commences.

SIDE-BOYS, OR SIDE-MEN. Those appointed to attend the gangways when boats come alongside, and offer the man-ropes to the officer ascending.

SIDE COUNTER-TIMBER. The stern timber which partakes of the shape of the top-side, and heels upon the end of the wing-transom.

SIDE-KEELSONS. A name for sister-keelsons. First used in mortar-vessels to support the bomb-beds; later they have crept in to support the engines in steamers, and furnish a free flow beneath their flooring for the water, as well as for ventilation.

SIDE-LADDER, OR ACCOMMODATION-LADDER. A complete staircase structure used in harbour by most large s.h.i.+ps.

SIDE-LEVER. A lever on each side of the cylinder of a marine steam-engine, resembling the beam of the ordinary land-engine. (_See_ LEVER.)

SIDE OUT FOR A BEND, TO. The old well-known term to draw the bight of a hempen cable towards the opposite side, in order to make room for the bight being twined to coil it in the tier. The most expert and powerful seamen were selected for this duty, now rare.

SIDE-PIECES. Parts of a made mast.

SIDEREAL ASTRONOMY. That branch of the science which relates to the fixed stars.

SIDEREAL DAY. The interval between the departure and return of a star to the meridian; in other words, its two successive transits.

SIDEREAL PERIOD. _See_ REVOLUTION.

SIDEREAL TIME. The time shown by a clock regulated by the fixed stars, and compensated to accelerate upon mean time by the daily amount of 3 minutes 5656 seconds.

SIDE-RODS. Rods hanging from each of the cross-heads, one on each side of the cylinder of a steam-engine, and connected to the pins of the side-levers below; their duty is to cause a simultaneous movement.

SIDE-SCALE. A simple graduation, adopted by Sir Philip Broke in the _Shannon_, for the quick elevation or depression of the guns.

SIDE-STEPS. Pieces of wood bolted to the side of a s.h.i.+p for the convenience of ascending; in smaller vessels they have a ladder made of rope with wooden thwarts, which hooks to the gangway.

SIDING OR SIDED. The dimensions or size of timber, the contrary way to which the mould side is placed; one side sided smooth, to work from or to fit.

SIDING DIMENSION. The breadth of any piece of timber.

SIEGE. A continued endeavour, by systematic military means, such as batteries, trenches, mines, &c., to overpower the defences of a place and take possession of it.

SIEGE-ARTILLERY. The ordnance (guns, mortars, howitzers, &c.) used for overpowering the fire and destroying the defences of a fortified place; their weight and power, limited mainly by the kind of transport at hand, seldom exceed those of the light 100-pounder rifled gun, and are mostly above those of _guns of position_, such as the old 18-pounder, or the 40-pounder rifle.

SIEGE-TRAIN. Properly, the whole of the material, with its transport, required for carrying on a siege; but more frequently used for the necessary _siege artillery_, together with its ammunition, carriages, machines, and appliances of all kinds.

SIESTA. The hour of the afternoon in hot climates, when Spaniards, Italians, &c., retire to repose during the heat of the day.

SIGHTING THE LAND. Running in to catch a view.

SIGHTS. The fixed marks on fire-arms, by which their direction is regulated in aiming: generally, two small fittings of bra.s.s or iron, that near the breech having a notched head, and that towards the muzzle a pointed one. (_See_ DISPART.)--_Astronomical sights._ Observations taken to determine the time or lat.i.tude, as well as for chronometer rates.

SIGHT THE ANCHOR, TO. To heave it up in sight, in order to prove that it is clear, when, from the s.h.i.+p having gone over it, there is suspicion that it may be fouled by the slack cable.

SIGHT-VANES. _See_ VANES.

SIGNALIZE, TO. To distinguish one's self; a word also degraded to the meaning of communicating intelligence by means of signals or telegraph.

SIGNAL-MAN. The yeoman of the signals; a first-cla.s.s petty officer in the navy.

SIGNAL OF DISTRESS. When a s.h.i.+p is in imminent danger, she hoists her national flag upside down, and, if she is armed, fires minute guns; also lets fly top-gallant sheets, &c.; indeed does anything to attract observation.

SIGNAL-OFFICER. In a repeating frigate, a signal-mids.h.i.+pman; in a flag-s.h.i.+p, a flag-lieutenant.

SIGNALS. Codes of signals have been used for centuries and changed frequently. Their use is too well known to need explanation. They are conveyed by flags, semaph.o.r.es, b.a.l.l.s, guns, lights, rockets, bells, horns, whistles, &c., and half a century since were carried on with incredible ability. It may be also observed that signal officers of those days became subsequently the elite of the navy; _signal-officer_ being then a proud term of distinction.--_Fog-signals_, certain operations which emit sound.--_Night-signals_, either lanterns disposed in certain figures, flashes, or false fires, &c.

SIGNIFER. The zodiac.

SIGNING OFFICERS. The captain, senior lieutenant, master, and purser (now paymaster); but where the doc.u.ment relates to the stores in charge of any stated officer, that officer is to sign it instead of the purser.

SIGNS OF THE ZODIAC. The emblems of the twelve divisions, into which the ancients divided the zodiac.

SILL. A northern term for the young of a herring.

SILLOCK. The podling, or young of the coal-fish, affording food and oil on the Scottish coasts; they are grayish, and are taken when somewhat less than a herring.

SILL OF A DOCK. The timber at the base against which the gates shut; and the depth of water which will float a vessel in or out of it, is measured from it to the surface.

SILLON. An old word for envelope. In fortification, formerly, a counterguard.

SILLS. The upper and lower parts of the framing of the ports. The bottom pieces of any ports, docks, scuttles, or hatches.

SILT. Sediment; ooze in a harbour, or at a lock-gate.