The Collaborative International Dictionary of English v.0.48:

Antipole \An"ti*pole\, n.
   The opposite pole; anything diametrically opposed. --Geo.
   Eliot.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "antipole":
   North Pole, South Pole, antipodal points, antipode, antipodes,
   antipoints, antipoles, antithesis, antonym, black and white,
   contra, contradictory, contraposita, contrapositives, contraries,
   contrary, converse, counter, counterbalance, countercheck,
   counterpoint, counterpoise, counterpole, counterpoles, counterterm,
   foil, inverse, night and day, obverse, offset, opposite,
   opposite number, opposite poles, opposites, polar opposites, poles,
   reverse, setoff, the contrary, the other side, vis-a-vis