co-ordinate

one of the coordinates in a system of coordinates that locates a point on a plane or in space by its distance from two lines or three planes respectively; the two lines or the intersections of the three planes are the coordinate axes

either of two values that locate a point on a plane by its distance from a fixed pole and its angle from a fixed line passing through the pole

one of three Cartesian coordinates that determine a position in space

the value of a coordinate on the horizontal axis

the value of a coordinate on the vertical axis