The Collaborative International Dictionary of English v.0.48:

Pole \Pole\, n. [L. polus, Gr. ? a pivot or hinge on which
   anything turns, an axis, a pole; akin to ? to move: cf. F.
   p[^o]le.]
   1. Either extremity of an axis of a sphere; especially, one
      of the extremities of the earth's axis; as, the north
      pole.
      [1913 Webster]

   2. (Spherics) A point upon the surface of a sphere equally
      distant from every part of the circumference of a great
      circle; or the point in which a diameter of the sphere
      perpendicular to the plane of such circle meets the
      surface. Such a point is called the pole of that circle;
      as, the pole of the horizon; the pole of the ecliptic; the
      pole of a given meridian.
      [1913 Webster]

   3. (Physics) One of the opposite or contrasted parts or
      directions in which a polar force is manifested; a point
      of maximum intensity of a force which has two such points,
      or which has polarity; as, the poles of a magnet; the
      north pole of a needle.
      [1913 Webster]

   4. The firmament; the sky. [Poetic]
      [1913 Webster]

            Shoots against the dusky pole.        --Milton.
      [1913 Webster]

   5. (Geom.) See Polarity, and Polar, n.
      [1913 Webster]

   Magnetic pole. See under Magnetic.

   Poles of the earth, or Terrestrial poles (Geog.), the two
      opposite points on the earth's surface through which its
      axis passes.

   Poles of the heavens, or Celestial poles, the two
      opposite points in the celestial sphere which coincide
      with the earth's axis produced, and about which the
      heavens appear to revolve.
      [1913 Webster] Poleax

The Collaborative International Dictionary of English v.0.48:

magnetic pole \magnetic pole\ n.
   1. Either of two points where the lines of force of the
      earth's magnetic field are vertical.
      [WordNet 1.5]

   2. One of the two ends of a magnet where the magnetic field
      is strongest.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

magnetic pole
    n 1: either of two points where the lines of force of the
         Earth's magnetic field are vertical
    2: one of the two ends of a magnet where the magnetism seems to
       be concentrated [syn: pole, magnetic pole]