| February 2, in most parts of the U.S., the day on which, according to legend, the groundhog first emerges from hibernation. If it is a sunny day and the groundhog sees its shadow, six more weeks of wintry weather are predicted. |
Ground·hog Day  (ground'hôg', -hŏg')  n. February 2, on which according to popular legend the groundhog emerges from its burrow, prompting the prediction of an early spring if it does not see its shadow or six more weeks of winter if it does. |
February 2. According to the legend of Groundhog Day, if a groundhog (a woodchuck) comes out of his hole on that day and sees his shadow, six more weeks of winter will follow. If no shadow appears, there will be an early spring.