arctic

(noun) the regions to the north of the Arctic Circle centered on the North Pole. Synonyms: Arctic, Arctic Zone, North Frigid Zone.

(noun) a waterproof overshoe that protects shoes from water or snow. Synonyms: galosh, golosh, rubber, gumshoe.

(adj) of or relating to the Arctic. Synonyms: north-polar, Arctic. Example: "The arctic summer."

(adj) extremely cold. Synonyms: frigid, gelid, glacial, icy, polar. Examples: "An arctic climate." "A frigid day." "Gelid waters of the north atlantic." "Glacial winds." "Icy hands." "Polar weather."