/ Dictionary / Index M membrane bone: Meaning and Definition of Find definitions for: mem'brane bone" Pronunciation: [key] a bone that develops from membranous tissue. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. membrane membranophone Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language