/ Dictionary / Index H home run: Meaning and Definition of Find definitions for: home' run' Pronunciation: [key] — Baseball. Baseball. a hit that enables a batter, without the aid of a fielding error, to score a run by making a nonstop circuit of the bases. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. home ruler homeschooling Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language