, but with a shackle instead of a claw at the bent end. It is used
for drawing bolts or deck-nails. (_See also_ SPAN-SHACKLE.)

SHACKLE-NET. The northern term for flue-net.

SHACKLES. Semicircular clumps of iron sliding upon a round bar, in which
the legs of prisoners are occasionally confined to the deck. _Manacles_
when applied to the wrists. (_See_ BILBOES.)

SHAD. The _Clupea alosa_, a well-known fish, of very disputed culinary
merit, owing perhaps to its own dietetic habits.

SHADES. Coloured glasses for quadrants, sextants, and circles. (_See_
DARK GLASSES, or SCREENS.)

SHAFT OF A MINE. The narrow perpendicular pit by which the gallery is
entered, and from which the branches of the mine diverge.

SHAG. A small species of cormorant, _Phalacrocorax graculus_.

SHAG-BUSH. An old term for a harquebus, or hand-gun.

SHAKE, TO. To cast off fastenings, as--_To shake out a reef._ To let out
a reef, and enlarge the sail.--_To shake off a bonnet_ of a fore-and-aft
sail.--_To shake a cask._ To take it to pieces, and pack up the parts,
then termed "shakes." Thus the term expressing little value, "No great
shakes."

SHAKE IN THE WIND, TO. To bring a vessel's head so near the wind, when
close-hauled, as to shiver the sails.

SHAKES. A name given by shipwrights to the cracks or rents in any piece
of timber, occasioned by the sun or weather. The same as _rends_ or
_shans_ (which see).

SHAKING A CLOTH IN THE WIND. In galley parlance, expresses the being
slightly intoxicated.

SHAKINGS. Refuse of cordage, canvas, &c., used for making oakum, paper,
&c.

SHALLOP, SHALLOOP, OR SLOOP. A small light fishing vessel, with only a
small main-mast and fore-mast for lug-sails. They are commonly good
sailers, and are therefore often used as tenders to men-of-war. Also, a
large heavy undecked boat, with one mast, fore-and-aft main-sail, and
jib-foresail. The gunboats on the French coasts were frequently termed
chaloupes, and carried one heavy gun, with a crew of 40 men. Also, a
small boat rowed by one or two men.

SHALLOWS. A continuation of shoal water.

SHALLOW-WAISTED. Flush-decked vessels are thus termed, in
contradistinction to the deep-waisted.

SHAN. A defect in spars, most commonly from bad collared knots; an
injurious compression of fibres in timber: the turning out of the
cortical layers when the plank has been sawed obliquely to the central
axis of the tree.

SHANK. An arrangement of deep-water fishing lines.