From WordNet (r) 3.0 (2006):
Arctic
adj 1: of or relating to the Arctic; "the Arctic summer" [syn:
north-polar, Arctic]
2: extremely cold; "an arctic climate"; "a frigid day"; "gelid
waters of the North Atlantic"; "glacial winds"; "icy hands";
"polar weather" [syn: arctic, frigid, gelid, glacial,
icy, polar]
n 1: the regions to the north of the Arctic Circle centered on
the North Pole [syn: Arctic, Arctic Zone, North Frigid
Zone]
2: a waterproof overshoe that protects shoes from water or snow
[syn: arctic, galosh, golosh, rubber, gumshoe]