Arctic, Arctic Zone, North Frigid Zone (noun)
the regions to the north of the Arctic Circle centered on the North Pole
arctic, galosh, golosh, rubber, gumshoe (adj)
a waterproof overshoe that protects shoes from water or snow
north-polar, Arctic (adj)
of or relating to the Arctic
"the Arctic summer"
arctic, frigid, gelid, glacial, icy, polar (adj)
"an arctic climate"; "a frigid day"; "gelid waters of the North Atlantic"; "glacial winds"; "icy hands"; "polar weather"
North Pole (noun)
the northernmost point of the Earth's axis