noun Usage: often capitalized A&C Date: 1556 the parallel of latitude that is approximately 66 1/2 degrees south of the equator and that circumscribes the southern frigid zone
ANTARCTIC CIRCLE
Meaning of ANTARCTIC CIRCLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012