cosecant Meaning, Definition & Usage

  1. noun ratio of the hypotenuse to the opposite side of a right-angled triangle
    cosec.

WordNet

Co*se"cant noun
Etymology
For co. secans, an abbrev. of L. complementi secans.
Definitions
  1. (Trig.) The secant of the complement of an arc or angle. See Illust. of Functions.

Webster 1913