from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A straight line intersecting a curve at two or more points.
- n. The straight line drawn from the center through one end of a circular arc and intersecting the tangent to the other end of the arc.
- n. The ratio of the length of this line to the length of the radius of the circle.
- n. The reciprocal of the cosine of an angle in a right triangle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A straight line that intersects a curve at two or more points.
- n. In a right triangle, the reciprocal of the cosine of an angle. Symbol: sec
from the GNU version of the Collaborative International Dictionary of English
- adj. Cutting; dividing into two parts.
- n. A line that cuts another; especially, a straight line cutting a curve in two or more points.
- n. A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio of this line to the radius of the circle. See Trigonometrical function, under Function.
from The Century Dictionary and Cyclopedia
- Cutting; dividing into two parts.
- n. A line which cuts a figure in any way.
- n. Specifically, in trigonometry, a line from the center of a circle through one extremity of an are (whose secant it is said to be) to the tangent from the other extremity of the same are; or the ratio of this line to the radius; the reciprocal of the cosine.
- Specifically, noting a stream which cuts across folded strata.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. ratio of the hypotenuse to the adjacent side of a right-angled triangle
- n. a straight line that intersects a curve at two or more points
From Latin secāns, secant-, present participle of secāre, to cut.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin secans, present participle of secare ("to cut") (Wiktionary)