antarcticcircle
- Southern Hemisphere imaginary line
- South Pole area
- South Frigid Zone and South Temperate zone separator
- Region containing the South Pole
- Northern boundary of the South Frigid Zone
- Line of latitude north of the South Pole
- Latitude between the South Frigid Zone and South Temperate Zone
- It's between the South Frigid Zone and South Temperate Zone
- Imaginary map line that's parallel to the Equator
- Frigid Zone boundary
- Earth's southernmost latitude
- Where the midnight sun can be observed
- Imaginary line N of South Pole
- Imaginary boundary for the South Frigid Zone
- South Frigid Zone boundary
- Geographers' hypothetical line
- Ring around a cold area
- South Temperate Zone border
- Line that encloses a continent
- Emperor penguin's realm
- About 66 degrees south latitude