D defs.my
Entry 1 sense Webster, 1913

Coversed sine

/(k?-v?rst" s?n`)/ · Co·versed· sine · IPA
01 The versed sine of the complement of an arc or angle. See Illust. of Functions.
  1. 1.
    The versed sine of the complement of an arc or angle. See Illust. of Functions.(Geom.) See: Functions