Exhibiting artfulness; trickish.

An old game resembling backgammon.

Given to tricks; practicing deception; trickish; knavish.

Triclinic.

Of or pertaining to a triclinium, or to the ancient mode of reclining at table.

Having, or characterized by, three unequal axes intersecting at oblique angles. See the Note under crystallization.

A couch for reclining at meals, extending round three sides of a table, and usually in three parts. A dining room furnished with such a triple couch.

Having three cocci, or roundish carpels.

Having three colors.

Having three horns.

Represented with three bodies conjoined to one head, as a lion.

Three-ribbed; having three ribs from the base.

A fabric of woolen, silk, or cotton knitted, or women to resemble knitted work.

Of or pertaining to tricrotism; characterized by tricrotism.

That condition of the arterial pulse in which there is a triple beat. The pulse curve obtained in the sphygmographic tracing characteristic of tricrotism shows two secondary crests in addition to the primary.

Tricrotic.

Curved in three directions; as, a tricurvate spicule (see Illust. of Spicule).

Having three cusps, or points; tricuspidate; as, a tricuspid molar.

Three-pointed; ending in three points; as, a tricuspidate leaf.

A three-wheeled velocipede. See Illust. under Velocipede. Cf. Bicycle.

A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (Tridacna gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell.

Having three fingers or toes, or composed of three movable parts attached to a common base.

Tridactyl.

The jacksnipe.

Short and ready; fleet; as, a tride pace; -- a term used by sportsmen.

A hydrocarbon, C13H28, of the methane series, which is a probable ingredient both of crude petroleum and of kerosene, and is produced artificially as a light colorless liquid.

Of, pertaining to, or designating, that acid of the fatty acids heterologous with tridecane. It is a white crystalline substance.

A hydrocarbon, C13H26, of the ethylene series, corresponding to tridecane, and obtained from Burmah petroleum as a light colorless liquid; -- called also tridecylene, and tridecene.

Having three teeth or prongs; tridentate.

Having three teeth; three-toothed.

Having three prongs; trident; tridentate; as, a tridented mace.

Bearing a trident.

Of or pertaining to Trent, or the general church council held in that city.

A triple octave, or twenty-second.

Having three dimensions; extended in three different directions.

A riding. See Trithing.

Lasting three lays; also, happening every third day.

Pure silica, like quartz, but crystallizing in hexagonal tables. It is found in trachyte and similar rocks.

imp. p. p. of Try. Proved; tested; faithful; trustworthy; as, a tried friend.

See Trihedral.

Something which takes place or appears once in three years.

Once in three years.

A Roman copper coin, equal to one third of the as. See 3d As, 2.

One who tries; one who makes experiments; one who examines anything by a test or standard.

The commander of a trireme. At Athens, one who (singly, or jointly with other citizens) had to fit out a trireme for the public service.

The office duty of a trierarch.

Kept or occurring once in three years; triennial.

Festival games celebrated once in three years.

A tertiary amine analogous to trimethylamine.

See Trigeminal.

To plow the third time before sowing, as land.

Facing three ways; arranged in three vertical ranks, as the leaves of veratrum.

Having, or surrounded by, three fasciae, or bands.

Cleft to the middle, or slightly beyond the middle, into three parts; three-cleft.

Having three pipes.

To make of no importance; to treat as a trifle.

One who trifles.

Being of small value or importance; trivial; paltry; as, a trifling debt; a trifling affair.

Three-flowered; having or bearing three flowers; as, a triflorous peduncle.

A concurrence of three waves.

Having three leaflets.

A genus of leguminous herbs with densely spiked flowers and usually trifoliate leaves; trefoil. There are many species, all of which are called clover. See Clover.

Sweet trefoil.

The gallery or open space between the vaulting and the roof of the aisles of a church, often forming a rich arcade in the interior of the church, above the nave arches and below the clearstory windows.

Having a triple form or character.

The state of being triform, or of having a threefold shape.

Having three branches or forks; trichotomous.

A stone, block of wood, or anything else, placed under a wheel or barrel to prevent motion; a scotch; a skid.

One who has been married three times; also, one who has three husbands or three wives at the same time.

Having three sorts of flowers in the same head, -- male, female, and hermaphrodite, or perfect, flowers.

The act of marrying, or the state of being married, three times; also, the offense of having three husbands or three wives at the same time.

Having three bellies; -- said of a muscle.

Of, pertaining to, or designating, the fifth pair of cranial nerves, which divide on each side of the head into three main branches distributed to the orbits, jaws, and parts of the mouth; trifacial.

Born three together; being one of three born at the same birth; also, threefold.

Of, pertaining to, or designating, an acid, C4H7N3O2, obtained, by the action of the vapor of cyanic acid on cold aldehyde, as a white crystalline substance having a slightly acid taste and faint smell; -- called also ethidene-biuret or ethylidene-biuret.

A book composed of sheets so folded that each one makes thirty-two leaves; hence, indicating, more or less definitely, a size of book; -- usually written 32mo, or 32/, and called thirty-twomo.

A catch to hold the wheel of a carriage on a declivity.

A trental.

A glyceride formed by the replacement of three hydrogen atoms in glycerin by acid radicals.

An ornament in the frieze of the Doric order, repeated at equal intervals. Each triglyph consists of a rectangular tablet, slightly projecting, and divided nearly to the top by two parallel and perpendicular gutters, or channels, called glyphs, into three parts, or spaces, called femora. A half channel, or glyph, is also cut upon each of the perpendicular edges of the tablet. See Illust. of Entablature.

Consisting of, or pertaining to, triglyphs.

The quality or state of being trig; smartness; neatness.

Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles.

A smooth triangular area on the inner surface of the bladder, limited by the apertures of the ureters and urethra.

A genus of pearly bivalve shells, numerous extinct species of which are characteristic of the Mesozoic rocks. A few living species exist on the coast of Australia.

Having horns with three angles, like those of some species of goats.

See Trituberculy.

That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of deducing from certain given parts other required parts, and also of the general relations which exist between the trigonometrical functions of arcs or angles.

Same as Trigonal.

Same as Trigraph.

Containing three letters or characters, or three sets of letters or characters.

Same as Trigrammatic.

Three letters united in pronunciation so as to have but one sound, or to form but one syllable, as -ieu in adieu; a triphthong.

Any one of the Trigynia.

A Linnaean order of plants having three pistils or styles.

Having three pistils or styles; of or pertaining to the Trigynia.

Having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles.

A figure having three sides.

Occurring once in every three hours.

A hybrid whose parents differ by three pairs of contrasting Mendelian characters.

In three pairs; as, a trijugate leaf, or a pinnate leaf with three pairs of leaflets.

Same as Trijugate.

A hydrocarbon, C23H48, of the methane series, resembling paraffin; -- so called because it has twenty-three atoms of carbon in the molecule.

Having three sides; being three-sided; as, a trilateral triangle.

A syllogism with three conditional propositions, the major premises of which are disjunctively affirmed in the minor. See Dilemma.

Of, pertaining to, or included by, three lines; as, trilinear coordinates.

Containing, or consisting of, three languages; expressed in three languages.

See Trilingual.

Consisting of three letters; trigrammic; as, a triliteral root or word. A triliteral word.

Same as Triliterality.

The quality of being triliteral; as, the triliterality of Hebrew roots.

Same as Trilithon.

Pertaining to a trilith.

A monument consisting of three stones; especially, such a monument forming a kind of doorway, as among the ancient Celts.

To utter trills or a trill; to play or sing in tremulous vibrations of sound; to have a trembling sound; to quaver.

The oyster catcher.

One of tree children born at the same birth.

According to the French notation, which is used upon the Continent generally and in the United States, the number expressed by a unit with twelve ciphers annexed; a million millions; according to the English notation, the number produced by involving a million to the third power, or the number represented by a unit with eighteen ciphers annexed. See the Note under Numeration.

A genus of liliaceous plants; the three-leaved nightshade; -- so called because all the parts of the plant are in threes.

A trill or shake. See Trill.