Definition: Secancy is a term used in the context of the mathematical concept of secant. It refers to a special case of secant, which is an area under a curve that is defined by two points on the curve and whose slope at each point is equal to the reciprocal of the distance from that point to the other point. The term "secancy" comes from the Latin word "secans", which means "to cut". In this context, "secancy" refers to the process of