S: (n) climatic zone (any of the geographical zones loosely divided according to prevailing climate and latitude)
S: (n) Frigid Zone, polar zone, polar region (the part of the Earth's surface forming a cap over a pole; characterized by frigid climate)
S: (n) Temperate Zone (the part of the Earth's surface between the Arctic Circle and the Tropic of Cancer or between the Antarctic Circle and the Tropic of Capricorn; characterized by temperate climate)
S: (n) Torrid Zone, tropical zone, tropics (the part of the Earth's surface between the Tropic of Cancer and the Tropic of Capricorn; characterized by a hot climate)