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ven line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function. Artificial, or Logarithmic, tangent, the logarithm of the natural tangent of an arc. -- Natural tangent, a decimal expressing the length of the tangent of an arc, the radius being reckone…

o resorted to London during the law term only, in order to practice tricks, to carry on intrigues, or the like. [Obs.] [Written also termor.] B. Jonson.

An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed.

A person used as an instrument by another person; -- a word of reproach; as, men of intrigue have their tools, by whose agency they accomplish their purposes. I was not made for a minion or a tool. Burks.

A peculiar fruit-eating ground pigeon (Didunculus strigiostris) native of the Samoan Islands, and noted for its resemblance, in several characteristics, to the extinct dodo. Its beak is stout and strongly hooked, and the mandible has two or three strong teeth toward the end. or ts color is chocolate red. Called also to…

the seventeenth century and until 1715; also, any high headdress. Lay trains of amorous intrigues In towers, and curls, and periwigs. Hudibras.

A trigonal trisoctahedron.

work 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 point…

A trigger. [Obs. or Prov. Eng.] Boyle.

See Trigeminal.

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

The aspect of planets distant from each other 120 degrees, or one third of the zodiac; trigon. In sextile, square, and trine. Milton.

To give trinkets; hence, to court favor; to intrigue. [Obs.] South.

d sound; also, a union of three vowel characters, representing together a single sound; a trigraph; as, eye, -ieu in adieu, -eau in beau, are examples of triphthongs.

Three sided, the sides being plane or concave; having three salient angles or edges; trigonal.

ach face of which is a quadrilateral; called also trapezohedron and icositetrahedron. -- Trigonal trisoctahedron, a trisoctahedron each face of which is an isosceles triangle.

ter side in upper and to the inner in lower molars. This primitive triangle is called the trigon or trigonid and this stage the tritubercular or trigonodont. The trigon being a cutting apparatus, an extension of the posterior part of the crown was developed in lower molars for crushing, and a smaller corresponding part…

The sapphirine gurnard (Trigla hirundo). See Illust. under Gurnard. [Prov. Eng.]

The trigger fish. Spotted turbot. See Windowpane.

are baked. -- Wafer woman, a woman who sold wafer cakes; also, one employed in amorous intrigues. Beau. & Fl.