/ Dictionary / Index M marrowbone: Meaning and Definition of Find definitions for: mar•row•bone Pronunciation: (mar'ō-bōn"), [key] a bone containing edible marrow. the knees. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: marrowbone (Thesaurus) marrow marrowfat Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language