v To propel by pushing with poles, to push with a pole.
v To identify something quite precisely using a telescope.
n Either of the two points on the earth's surface around which it rotates; also, similar points on any other rotating object.
n A point of magnetic focus, especially each of the two opposing such points of a magnet (designated north and south).
n (geometry) A fixed point relative to other points or lines.
n (context|electricity) A contact on an electrical device (such as a battery) at which electric current enters or leaves.
n (context|complex analysis)(rfc-sense) One of a set of isolated points a for which the meromorphic function approaches infinity as z approaches a, such that is holomorphic on all points except its poles.