/ Dictionary / Index G groundhog: Meaning and Definition of Find definitions for: ground•hog Pronunciation: (ground'hog", -hôg), [key] — n. woodchuck. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: groundhog (Thesaurus) ground hemlock Groundhog Day Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language