plural of Arctic char

A species of slow-growing bramble belonging to the rose family and bearing a dark red, sweet fruit; Rubus arcticus, native to arctic, subarctic, and alpine regions.

A migratory bird that travels between the Arctic and Antarctic, Sterna paradisaea.

The parallel of latitude that runs 66° 33′ 39″ north of the Equator, which marks approximately the southernmost place in the Northern Hemisphere where the sun does not set on the summer solstice and does not rise on the winter solstice.

(Britain) A British dessert like a jelly roll, but with ice cream instead of jelly/jam.

The smallest of the five oceans of the Earth, on and around the North Pole, bordered by the three continents of Asia, Europe and North America.

A cold front of very cold arctic air advancing on somewhat less cold air.

The Arctic Ocean.

(Canada, US) The black-throated diver bird.

(physics, meteorology) The semipermanent, semicontinuous front between the deep, cold arctic air and the shallower, basically less cold polar air of northern latitudes; generally comparable to the antarctic front of the southern hemisphere.