the part of the Earth's surface forming a cap over a pole; characterized by frigid climate
characterized by opposite extremes; completely opposed
being of crucial importance
of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
a locally circumscribed place characterized by some distinctive features
(anatomy) any encircling or beltlike structure
separate or apportion into sections
any of the regions of the surface of the Earth loosely divided according to latitude or longitude