/ Dictionary / Index I indoor baseball: Meaning and Definition of Find definitions for: in'door base'ball Pronunciation: [key] softball played indoors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. indoor indoor-outdoor Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language