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| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| Antarctic Circle | |
| —n | |
| the imaginary circle around the earth, parallel to the equator, at latitude 66° 32′ S; it marks the southernmost point at which the sun appears above the level of the horizon at the winter solstice | |
| Antarctic Circle (ānt-ärk'tĭk) Pronunciation Key
The parallel of latitude approximately 66°33' south. It forms the boundary between the South Temperate and South Frigid zones. |
An imaginary circle around the Earth about three-quarters of the way from the equator to the South Pole.
Note: The Antarctic Circle corresponds to the Arctic Circle in the Northern Hemisphere.