Antarctic (adjective)

1. Relating to the region around the South Pole.
2. Relating to the Antarctic Circle or the Antarctic region of the Southern Hemisphere.

Origin:

Late 18th century: from latin antarcticus "opposite the north", from antarctos "opposite the bear (constellation)", from anti- "opposite" + arktos "bear".

Examples:

1. The Antarctic Peninsula is the northernmost part of the mainland of Antarctica.
2. Antarctic ice shelves are the floating extensions of ice sheets that reach the ocean.
3. The Antarctic Treaty was signed in 1961 to protect the Antarctic environment.
4. Antarctic krill is a small shrimp-like crustacean that plays a key role in the Antarctic food web.
5. Antarctic fur seals are found on sub-Antarctic islands and the Antarctic Peninsula.