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Groundhog Day

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Groundhog Day noun
Groundhog Day
noun
Britannica Dictionary definition of GROUNDHOG DAY
[singular]
: February 2 observed in the U.S. as a day that indicates whether winter will end soon
◊ Tradition says that if a groundhog sees its shadow because the sun is shining on February 2, the winter will last six more weeks, and if it does not see its shadow because of cloudy weather, the winter will end soon.