What does "secant" mean?

Secant: (Geom.) A line that cuts another; especially, a straight line cutting a curve in two or more points.

Additional senses

  1. 2.(Trig.) 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 line of this line to the radius of the circle. See Trigonometrical function, under Function.

Sources