RENCH THE BALLAST, TO. To divide the ballast in a ship's hold to get at
a leak, or to trim and stow it.

TREND, TO. To bend or incline, speaking of a coast; as, "The land trends
to the south-west." Also, the course of a current or stream.

TREND OF AN ANCHOR. The lower end of the shank, where it thickens
towards the arms, usually at one-third from the crown. In round terms,
it is the same distance on the shank from the throat that the arm
measures from the throat to the bill.

TRENNEL. _See_ TREE-NAILS.

TREPANG. An eastern name for the _Holothuria_, or _beche-de-mer_,
frequently called the sea-slug; used as an article of food by the
Chinese.

TRESTLE-TREES. Two strong bars of timber fixed horizontally fore-and-aft
on each side of the lower mast-head, to support the top-mast, the lower
cross-trees, and top; smaller trestle-trees are fitted on a topmast-head
to support the topgallant-mast and top-mast cross-trees.

TRIANGLE, OR TRIGON. A geometrical figure consisting of three sides and
as many angles. Also, a machine formed by spars for lifting weights,
water-casks, &c. Also, a stage hung round a mast, to scrape, paint, or
grease it.

TRIANGULUM. One of the ancient northern constellations.

TRIATIC STAY. A rope secured at each end of the heads of the fore and
main masts, with thimbles spliced in its bight to hook the stay-tackles
to. This term applies also to the jumper-stay, extending in schooners
from the mainmast-head to the foremast-head, clearing the end of the
fore gaff.

TRIBUTARY. Any stream, large or small, which directly or indirectly
joins another stream.

TRICE, TO. To haul or lift up by means of a lashing or line.

TRICE UP--LIE OUT! The order to lift the studding-sail boom-ends while
the top-men move out on the yards, preparatory to reefing or furling.

TRICING BATTENS. Those used for the hammocks, or tricing up the bags
between the beams on the lower-deck.

TRICING-LINE. A small cord, generally passing through a block or
thimble, and used to hoist up any object to render it less inconvenient;
such are the tricing-lines of the yard-tackle, &c.

TRICK. The time allotted to a man on duty at the helm. The same as
_spell_.

TRICKER. An old spelling for the trigger of a gun.

TRIE. An old word for trim.--_Out of trie_, crank.

TRIGGER. In ship-building, is the letting fall the paul of the cradle by
which the dog-shore falls flush, and offers no further obstruction to
the ship gliding down t