Breadcrumb Home > Dictionary > Index B bitser: Meaning and Definition of Find definitions for: bit•ser Pronunciation: (bit'sur), [key] — n. Australian Informal. a mongrel dog. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bit player bitstock ✖ Related Content Daily Word Quiz: triumphalism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language