Answer:

arctic

Answer	Crossword Clue
ARCTIC	World's smallest ocean
ARCTIC	Tundra territory
ARCTIC	Cold and bleak

ARCTIC	Bitter-cold
ARCTIC	Aurora borealis region
ARCTIC	Frigid
ARCTIC	Polar region with a "circle"
ARCTIC	Very cold
ARCTIC	Polar bear's domain
ARCTIC	Like some of Scandinavia
ARCTIC	Really cold

ARCTIC	Northwest Passage ocean
ARCTIC	Bitterly cold
ARCTIC	Bitter cold
ARCTIC	Location of a certain circle
ARCTIC	C-c-c-cold
ARCTIC	Much of Canada's Nunavut province
ARCTIC	Pole position?
ARCTIC	Circle in the frigid zone

ARCTIC	One of the oceans
ARCTIC	The world's smallest ocean
ARCTIC	Like some winds
ARCTIC	Watertight boot
ARCTIC	Polar
ARCTIC	Really chilly
ARCTIC	Northern region
ARCTIC	Polar region

ARCTIC	Mighty cold
ARCTIC	Overshoe.
ARCTIC	Region between Canada and Russia.
ARCTIC	Part of the globe.
ARCTIC	Habitat of the lemming.
ARCTIC	Bitterly cold.
ARCTIC	... Circle.
ARCTIC	Galosh

ARCTIC	Dan McGrew's clime
ARCTIC	Greenland's ocean
ARCTIC	Frigid; bleak
ARCTIC	Eskimo region
ARCTIC	Extremely cold