A long, narrow cut in the earth; a ditch; as, a trench for draining land.

To plow with deep furrows, for the purpose of loosening the land to a greater depth than usual.

Trenchant.

Fitted to trench or cut; gutting; sharp.

In a trenchant, or sharp, manner; sharply; severely.

One who trenches; esp., one who cuts or digs ditches.

To dance the trenchmore.

Clean wool.

One whose business is to free wool from its filth.

A wheel, spindle, or the like; a trundle.

Corrupt form of Treenail.

An office and mass for the dead on the thirtieth day after death or burial.

To insnare; to trap; to trapan.

Any one of several species of large holothurians, some of which are dried and extensively used as food in China; -- called also b/che de mer, sea cucumber, and sea slug.

To trepan.

One who trepans.

A trebuchet.

To perforate with a trephine; to trepan.

Trembling; quaking.

An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.

Trepidation.

The third tine above the base of a stag's antler; the royal antler.

In the antler of a stag, the third tyne above the base. This tyne appears in the third year. In those deer in which the brow tyne does not divide, the tres-tyne is the second tyne above the base. See Illust. under Rucervine, and under Rusine.

A grandfather's grandfather.

Treasure.

Any injury or offence done to another.

One who commits a trespass One who enters upon another's land, or violates his rights. A transgressor of the moral law; an offender; a sinner.

A braid, knot, or curl, of hair; a ringlet.

Having tresses.

A trestle.

Tressy.

A kind of border similar to the orle, but of only half the breadth of the latter.

Provided or bound with a tressure; arranged in the form of a tressure.

Abounding in tresses.

A movable frame or support for anything, as scaffolding, consisting of three or four legs secured to a top piece, and forming a sort of stool or horse, used by carpenters, masons, and other workmen; also, a kind of framework of strong posts or piles, and crossbeams, for supporting a bridge, the track of a railway, or the like.

One of two strong bars of timber, fixed horizontally on the opposite sides of the masthead, to support the crosstrees and the frame of the top; -- generally used in the plural.

A viaduct, pier, scaffold, or the like, resting on trestles connected together.

An allowance to purchasers, for waste or refuse matter, of four pounds on every 104 pounds of suttle weight, or weight after the tare deducted.

Tractable; moderate.

A tax; an impost.

Long and well-proportioned; nicely made; pretty.

A weaver's cutting instrument; for severing the loops of the pile threads of velvet.

A stool or other thing supported by three legs; a trivet.

True.

Trowsers; especially, those of the Scotch Highlanders.

Truth.

Three, at cards, dice, or dominoes; a card, die, or domino of three spots or pips.

Fit or possible to be tried; liable to be subjected to trial or test.

Quality or state of being triable.

Capable of neutralizing three molecules of a monobasic acid or the equivalent; having three hydrogen atoms which may be acid radicals; -- said of certain bases; thus, glycerin is a triacid base.

See Treacle.

Having thirty sides.

A vessel with thirty banks of oars, or, as some say, thirty ranks of rowers.

A union of three; three objects treated as one; a ternary; a trinity; as, a triad of deities.

Having stamens joined by filaments into three bundles. See Illust. under Adelphous.

Having the characteristics of a triad; as, boron is triadic.

A trigonal trisoctahedron.

The act of trying or testing in any manner.

Three united; state of being three.

A discourse or colloquy by three persons.

An amine containing three amido groups.

Any one of the Triandria.

A Linnaean class of plants having three distinct and equal stamens.

Of or pertaining to the Triandria; having three distinct and equal stamens in the same flower.

A figure bounded by three lines, and containing three angles.

Having three angles; triangular.

Having three angles; having the form of a triangle.

The triangular, or maioid, crabs. See Illust. under Maioid, and Illust. of Spider crab, under Spider.

The quality or state of being triangular.

In a triangular manner; in the form of a triangle.

To divide into triangles; specifically, to survey by means of a series of triangles properly laid down and measured.

The series or network of triangles into which the face of a country, or any portion of it, is divided in a trigonometrical survey; the operation of measuring the elements necessary to determine the triangles into which the country to be surveyed is supposed to be divided, and thus to fix the positions and distances of the several points connected by them.

Government by three persons; a triumvirate; also, a country under three rulers.

Occupying the third post or rank.

Having three joints.

The formation situated between the Permian and Lias, and so named by the Germans, because consisting of three series of strata, which are called in German the Bunter sandstein, Muschelkalk, and Keuper.

Of the age of, or pertaining to, the Trias. The Triassic formation.

A term used in the phrase triatic stay. See under Stay.

Having three atoms; -- said of certain elements or radicals. Having a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, and tartronic acid are each triatomic.

Of or pertaining to a tribe or tribes; as, a tribal scepter.

The state of existing in tribes; also, tribal feeling; tribal prejudice or exclusiveness; tribal peculiarities or characteristics.

Capable of neutralizing three molecules of a monacid base, or their equivalent; having three hydrogen atoms capable of replacement by basic elements on radicals; -- said of certain acids; thus, citric acid is a tribasic acid.

A frame on which paper is dried.

To distribute into tribes or classes.

a combining form relating to friction.

electrical charge developed by rubbing objects together, suc as amber on cat fur.

A goldsmith's tool used in making rings.

the study of the effects of friction on parts of machinery moving in contact with each other, and of methods, such as lubrication, to counteract negative effects such as wear.

An instrument to ascertain the degree of friction in rubbing surfaces.

A poetic foot of three short syllables, as, m/l//s.

Having three bracts.

A colorless crystalline substance (C6H3OBr3) prepared by the reaction of carbolic acid with bromine. The predominant isomer is 2,4,6-tribromophenol; -- called also bromol.

Of or relating to a tribe; tribal; as, a tribual characteristic; tribular worship.

That which occasions distress, trouble, or vexation; severe affliction.

In villages of the Philippine Islands, a kind of townhall. At the tribunal the head men of the village met to transact business, prisoners were confined, and troops and travelers were often quartered.

Of or pertaining to tribunes; as, tribunary powers or authority.

The state or office of a tribune; tribuneship.

An officer or magistrate chosen by the people, to protect them from the oppression of the patricians, or nobles, and to defend their liberties against any attempts that might be made upon them by the senate and consuls.

The office or power of a tribune.

Of or pertaining to tribunes; befitting a tribune; as, tribunitial power or authority.

Tribunician; tribunitial.

In a tributary manner.

The quality or state of being tributary.

A ruler or state that pays tribute, or a stated sum, to a conquering power, for the purpose of securing peace and protection, or as an acknowledgment of submission, or for the purchase of security.

To pay as tribute.

One who works for a certain portion of the ore, or its value.

An apothecium in certain lichens, having a spherical surface marked with spiral or concentric ridges and furrows.

Of, pertaining to, or designating, a complex tribasic organic acid, C3H5.(CO2H)3 occurring naturally in unripe beet roots, and produced artificially from glycerin as a white crystalline substance.

See under Cyanuric.

A very short time; an instant; a moment; -- now used only in the phrase in a trice.

Of or pertaining to thirty years; tricennial.

Of or pertaining to thirty years; consisting of thirty years; occurring once in every thirty years.

Including, or relating to, the interval of three hundred years; tercentenary. A period of three centuries, or three hundred years, also, the three-hundredth anniversary of any event; a tercentenary.

A muscle having three heads; specif., the great extensor of the forearm, arising by three heads and inserted into the olecranon at the elbow.

A disease of the eye, in which the eyelashes, being turned in upon the eyeball, produce constant irritation by the motion of the lids.

A small, slender nematoid worm (Trichina spiralis) which, in the larval state, is parasitic, often in immense numbers, in the voluntary muscles of man, the hog, and many other animals. When insufficiently cooked meat containing the larvae is swallowed by man, they are liberated and rapidly become adult, pair, and the ovoviviparous females produce in a short time large numbers of young which find their way into the muscles, either directly, or indirectly by means of the blood. Their presence in the muscles and the intestines in large numbers produces trichinosis.

Trichinosis.

To render trichinous; to affect with trichinae; -- chiefly used in the past participle; as, trichinized pork.

An apparatus for the detection of trichinae in the flesh of animals, as of swine.

The disease produced by the presence of trichinae in the muscles and intestinal track. It is marked by fever, muscular pains, and symptoms resembling those of typhoid fever, and is frequently fatal.