·adj Opposite to the northern or arctic pole; relating to the southern pole or to the region near it, and applied especially to a circle, distant from the pole 23° 28'. Thus we say the antarctic pole, circle, ocean, region, current, ·etc.
Opposite to the Arctic, abbreviated from anti-arctic. ...
The Sailor's Word-Book
One of the lesser circles of the sphere, on the south parallel of the equator, and 23-1/2° from the ...
That which surrounds the south pole, within the imaginary circle so called. ...
The south end of the earth's axis. ...