/ Dictionary / Index S secant: Meaning and Definition of Find definitions for: se•cant Pronunciation: (sē'kant, -kunt), [key] — n. an intersecting line, esp. one intersecting a curve at two or more points. (in a right triangle) the ratio of the hypotenuse to the side adjacent to a given angle. (originally) a line from the center of a circle through one extremity of an arc to the tangent from the other extremity. the ratio of the length of this line to that of the radius of the circle; the reciprocal of the cosine of a given angle or arc. Abbr.: sec —adj. cutting or intersecting, as one line or surface in relation to another. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: secant (Thesaurus) sec secateurs Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language