ee_ HORIZON.

TRUE TIDE. Opposed to _cross-tide_ (which see).

TRUE WATER. The exact depth of soundings.

TRUFF. A west-country name for a trout.

TRUG. A rough basket for carrying chips of timber.

TRUGMAN. An early word for interpreter, being a corruption of dragoman;
also called _trench-man_, but not _trencher-man_, as a worthy
Mediterranean consul wrote it.

TRUMPETER. A petty officer and musician stationed on the poop, to sound
salutes and various evolutionary orders.

TRUNCHEON. A field-marshal's baton; also a constable's.

TRUNDLE-HEAD. The lower drumhead of a capstern, when it is double, and
worked on one shaft both on an upper and lower deck.

TRUNDLE-SHOT. An iron bolt 16 or 18 inches long, with sharp points, and
a ball of lead just inside each head.

TRUNK. (_See_ RUDDER-TRUNK.) Also, a large species of turtle. Also, a
place for keeping fish in. Also, an iron hoop with a bag, used to catch
crabs and lobsters.--_Fire-trunks._ Funnels fixed in fire-ships under
the shrouds, to convey the flames to the masts, rigging, and sails.

TRUNK-ENGINE. A direct-acting steam-engine, in which the end of the
connecting-rod is attached to the bottom of a hollow trunk, passing
steam-tight through the cylinder cover.

TRUNK-FISH. A name of the _Ostracion_, a fish remarkable for having its
body encased in an inflexible armour of hard octagonal plates, the fins,
mouth, and gill-openings passing through holes in this casing.

TRUNNION-RING. The ring round a cannon next before the trunnions, now
disused.

TRUNNIONS. The arms, or two pieces of metal projecting from the opposite
sides of a gun, by which it rests and swings upon its carriage, acting
as an axis of elevation or depression. Also, pieces of well-seasoned
wood, used in securing the ship's timbers.

TRUSS. The trusses or parrels of the lower yards serve to bind them to
their masts and are bowsed taut when the yards are trimmed, in order to
arrest motion and friction. But the introduction of an iron goose-neck,
centering and securing the yard well free of the mast, very much
supersedes the use of trusses.

TRUSS-HOOPS. Synonymous with clasp-hoops for masts or spars; they are
open iron hoops, so made that their ends, being let into each other, may
be well fastened by means of iron wedges or forelock keys.

TRUSS-PARREL. That part of a rope-truss which goes round the yard.

TRUSS-PENDANT. That part of a rope-truss into which the truss-tackle
blocks are se