D defs.my
Entry 1 sense Webster, 1913

Unicursal

· U·ni·cur·sal · IPA
01 a. That can be passed over in a single course; -- said of a curve when the coordinates of the point on the curve can be expressed as rational …
  1. 1.
    That can be passed over in a single course; -- said of a curve when the coordinates of the point on the curve can be expressed as rational algebraic functions of a single parameter θ.(Geom.)