Definitions

1. noun

a line that intersects a curve at exactly one point

“The secant line was used to approximate the slope of the curve.”

2. adjective

tending to intersect or cutting across a curve at one point

“The secant curve intersected the tangent at a single point.”

3. verb

to intersect or cut across a curve at one point

“The secant secant the curve at its maximum point.”