Part 411

Sine (?), n. [LL. sinus a sine, L. sinus bosom, used in translating the Ar. jaib, properly, bosom, but probably read by mistake (the consonants being the same) for an original jba sine, from Skr. jva bowstring, chord of an arc, sine.] (Trig.) (a) The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity. (b) The perpendicular itself. See Sine of angle, below.

Artificial sines, logarithms of the natural sines, or logarithmic sines. -- Curve of sines. See Sinusoid. -- Natural sines, the decimals expressing the values of the sines, the radius being unity. -- Sine of an angle, in a circle whose radius is unity, the sine of the arc that measures the angle; in a right-angled triangle, the side opposite the given angle divided by the hypotenuse. See Trigonometrical function, under Function. -- Versed sine, that part of the diameter between the sine and the arc.

||Si"ne (?), prep. [L.] Without.

Si"ne*cu`ral (?), a. Of or pertaining to a sinecure; being in the nature of a sinecure.

Si`ne*cure (?), n. [L. sine without + cura care, LL., a cure. See Cure.] 1. An ecclesiastical benefice without the care of souls. Ayliffe.

2. Any office or position which requires or involves little or no responsibility, labor, or active service.

A lucrative sinecure in the Excise.

Macaulay.

Si"ne*cure, v. t. To put or place in a sinecure.

Si"ne*cu*rism (?), n. The state of having a sinecure.

Si"ne*cu*rist (?), n. One who has a sinecure.

Sin"ew (?), n. [OE. sinewe, senewe, AS. sinu, seonu; akin to D. zenuw, OHG. senawa, G. sehne, Icel. sin, Sw. sena, Dan. sene; cf. Skr. snva. √290.]

1. (Anat.) A tendon or tendonous tissue. See Tendon.

2. Muscle; nerve. [R.] Sir J. Davies.

3. Fig.: That which supplies strength or power.

The portion and sinew of her fortune, her marriage dowry.

Shak.

The bodies of men, munition, and money, may justly be called the sinews of war.

Sir W. Raleigh.

Money alone is often called the sinews of war.

Sin"ew, v. t. [imp. & p. p. Sinewed (?); p. pr. & vb. n. Sinewing.] To knit together, or make strong with, or as with, sinews. Shak.

Wretches, now stuck up for long tortures . . . might, if properly treated, serve to sinew the state in time of danger.

Goldsmith.

Sin"ewed (?), a. 1. Furnished with sinews; as, a strong-sinewed youth.

2. Fig.: Equipped; strengthened.

When he sees Ourselves well sinewed to our defense.

Shak.

Sin"ew*i*ness (?), n. Quality of being sinewy.