liptic at its greatest distances from the equator,
and from the boundaries of the sun's declination, north and south.

TROUGH [from the Anglo-Saxon _troh_]. A small boat broad at both ends.
Also, the hollow or interval between two waves, which resembles a broad
and deep trench perpetually fluctuating. As the set of the sea is
produced by the wind, the waves and the trough are at right angles with
it; hence a ship rolls heaviest when she is in the trough of the sea.

TROUL. The action of silt being rolled along by a tide.

TROUNCE, TO. To beat or punish. An old word; in Mathew's translation of
the Bible, 1537, we find, "The Lord trounced Sisera."

TROUNCER. An old word for a waister.

TROUS DE LOUP. Holes dug in the form of an inverted cone, with a sharp
picket or stake in each, to break the march of an enemy's column when
advancing to the attack.

TROW. A clinker-built, flat-floored barge used on the Severn, &c. Also,
a sort of double boat with an interval between, and closed at the ends;
it is used on the Tyne for salmon-fishing, the fisherman standing across
the opening, leister in hand, ready to strike the quarry which passes.

TRUCE. The exhibition of a flag of truce has been religiously respected
amongst civilized nations. It is a request by signal to desist from
farther warfare, until the object of the truce requested has been
acceded to or rejected.

TRUCHMAN. _See_ TRUGMAN.

TRUCK. A Cornish word for the trough between two surfs. Also, exchange,
as fish for grog, &c.

TRUCKLE. A Welsh coracle.

TRUCKS. Pieces of wood of various forms, though mostly round; they are
for different purposes, as wheels on which the gun-carriages
run.--_Trucks of the flag-staves or at the mast-head._ Circular caps on
the upper mast-heads; they are generally furnished with two or more
small sheaves, through which the signal halliards are rove.--_Trucks of
the parrels._ Spherical pieces of wood, termed bull's-eyes, having a
hole through them, in which is inserted the rope of the parrel. (_See_
PARRALS.)--_Trucks for fair leaders_, are similar to bull's-eyes, but
are scored to fit the shrouds to which they are seized. The ropes are
thus kept from getting jammed between the yards and the rigging; they
are also useful, especially at night, as guides to particular ropes.

TRUE ANOMALY. _See_ ANOMALY.

TRUE-BLUE. A metaphorical term for an honest and hearty sailor: "true to
his uniform, and uniformly true."

TRUE-HORIZON. _S