Definition:Pole


 * Complex Analysis:
 * Pole: an isolated singularity whose value tends to infinity


 * Polar Coordinates:
 * Pole: the reference point from which the polar axis is thrown


 * Spherical Geometry:
 * Pole of Circle: the endpoints of the diameter of the sphere perpendicular to the plane in which the small or great circle in question is embedded

Also see

 * Definition:Polar