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# versed sine

From The Collaborative International Dictionary of English v.0.48:

```Sine \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
j[imac]ba sine, from Skr. j[imac]va 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.
[1913 Webster]

Artificial sines, logarithms of the natural sines, or
logarithmic sines.

Curve of sines. See Sinusoid.

Natural sines, the decimals expressing the values of the

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.
[1913 Webster]
.
```

From The Collaborative International Dictionary of English v.0.48:

```Versed \Versed\, a. [L. versus turned, p. p. vertere. See 1st
Versed.] (Math.)
Turned.
[1913 Webster]

Versed sine. See under Sine, and Illust. of Functions.
[1913 Webster]
```