Hyperborean

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Greek Mythology One of a people known to the ancient Greeks from the earliest times, living in a perpetually warm and sunny land north of the source of the north wind.
2. adj. Of or relating to the Hyperboreans.
3. adj. Of or relating to the far north; Arctic.
4. adj. Very cold; frigid.

Century Dictionary and Cyclopedia

1. Situated in or inhabiting the far north: as, the hyperborean regions; a hyperborean race; the hyperborean phalarope.
2. Hence Very cold; frigid.
3. [capitalized] Of or pertaining to the imaginary race of Hyperboreans.
4. Arctic.
5. n. [capitalized] An inhabitant of the most northern region of the earth. In early Greek legend the Hyperboreans were a people who lived beyond the north wind, and were not exposed to its blasts, but enjoyed a land of perpetual sunshine and abundant fruits. They were free from disease, violence, and war. Their natural life lasted 1,000 years, and was spent in the worship of Apollo. In later times the Greeks gave the name to the inhabitants of northern countries generally.
6. n. plural In ethnology, a group of arctic races.

GNU Webster's 1913

1. adj. (Greek Myth.) Of or pertaining to the region beyond the North wind, or to its inhabitants.
2. adj. Northern; belonging to, or inhabiting, a region in very far north; most northern; hence, very cold; fright, .
3. n. (Greek Myth.) One of the people who lived beyond the North wind, in a land of perpetual sunshine.
4. n. An inhabitant of the most northern regions.

WordNet 3.0

1. n. (Greek mythology) one of a people that the ancient Greeks believed lived in a warm and sunny land north of the source of the north wind