D defs.my
Entry 1 sense Webster, 1913

Antarctic

/ăn-tär'-ktĭk/ · Ant·arc·tic · IPA /ænˈtɑːktɪk/
01 a. Opposite to the northern or arctic pole; relating to the southern pole or to the region near it, and applied especially to a circle, distan…
  1. 1.
    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.