/ Dictionary / Index B Ballwin: Meaning and Definition of Find definitions for: Ball•win Pronunciation: (bôl'win), [key] — n. a town in E Missouri. 12,750. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ball valve bally Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language