Meaning of the word "the Antarctic Circle" in English

What does "the Antarctic Circle" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the Antarctic Circle

US /ði æntˈɑːrk.tɪk ˈsɜːr.kəl/
UK /ði ænˈtɑːk.tɪk ˈsɜː.kəl/
"the Antarctic Circle" picture

Noun

the imaginary line around the earth at approximately 66° 33' south of the equator

Example:
The Antarctic Circle marks the northernmost latitude where the sun can remain above or below the horizon for 24 hours.
Expedition ships often cross the Antarctic Circle during the austral summer.