Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The Arctic Circle.
  • n. The Antarctic Circle.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of the two parallels of the Earth located at the latitude of 66° 33′ 44″ N and 66° 33′ 44″ S.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a line of latitude at the north or south poles

Etymologies

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Examples

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