/ Dictionary / Index B bowlder: Meaning and Definition of Find definitions for: bowl•der Pronunciation: (bōl'dur), [key] — n. boulder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bowlder (Thesaurus) bowl bowldering Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language