Definitions for: Cosecant

[n] ratio of the hypotenuse to the opposite side of a right-angled triangle

Webster (1913) Definition: Co*se"cant (k?-s?"k?nt), n. [For co. secans, an
abbrev. of L. complementi secans.] (Trig.)
The secant of the complement of an arc or angle. See Illust.
of Functions.

Synonyms: cosec

See Also: circular function, trigonometric function