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To make board hems in the skirts and bottoms of (sails) in order to strengthen them in the part attached to the boltrope.

Board; support. [Obs.] Trence in English (1614).

agonist; a dog tackles the game. The greatest poetess of our day has wasted her time and strength in tackling windmills under conditions the most fitted to insure her defeat. Dublin Univ. Mag.

l of a lock (on a canal), the lower end, or entrance into the lower pond. -- Tail of the trenches (Fort.), the post where the besiegers begin to break ground, and cover themselves from the fire of the place, in advancing the lines of approach. -- Tail spindle, the spindle of the tailstock of a turning lathe; -- calle…

Brave; bold; courageous. [Obs.] As tall a trencherman As e'er demolished a pye fortification. Massinger. His companions, being almost in despair of victory, were suddenly recomforted by Sir William Stanley, which came to succors with three thousand tall men. Grafton.

le, in which the tangent of the angle of deflection of the needle is proportional to the strength of the current. -- Tangent of an angle, the natural tangent of the arc subtending or measuring the angle. -- Tangent of an arc, a right line, as ta, touching the arc of a circle at one extremity a, and terminated by a li…

ressure produced by the movements of the object to be measured, causes variations in the strength of the current, which variations are indicated by a sensitive galvanometer. It is also used for measuring minute changes of temperature. T. A. Edison.

A work constructed on each side of the ravelins, to increase their strength, procure additional ground beyond the ditch, or cover the shoulders of the bastions.

Of or pertaining to extension; as, tensile strength.

nsion, in a structure. -- Tension rod (Engin.), an iron rod used as a tension member to strengthen timber or metal framework, roofs, or the like.

Being of the third formation, order, or rank; third; as, a tertiary use of a word. Trench.

gun; or, in general, to examine the thickness of, as ordnance, in order to ascertain its strength.

cupel; cupellation. Testing machine (Engin.), a machine used in the determination of the strength of materials, as iron, stone, etc., and their behavior under strains of various kinds, as elongation, bending, crushing, etc.

and composed chiefly of Teutons, or Germans. The order rapidly increased in numbers and strength till it became master of all Prussia, Livonia, and Pomerania. In its decay it was abolished by Napoleon; but it has been revived as an honorary order.

In addition; besides; moreover. To speak of strength and therewith hardiness. Chaucer.

An instrument for measuring the strength of an electric current in the heat which it produces, or for determining the heat developed by such a current.

Pertaining to the variation of tensile strength with the temperature.

A process of increasing the strength of wrought iron by heating it to a determinate temperature, and giving to it, while in that state, a mechanical strain or tension in the direction in which the strength is afterward to be exerted.

Muscle or strength; nerve; brawn; sinew. Shak. And I myself, who sat apart And watched them, waxed in every limb; I felt the thews of Anakim, The pules of a Titan's heart. Tennyson.

To strengthen; to confirm. [Obs.] And this may to thicken other proofs. Shak.