/ Dictionary / Index M master builder: Meaning and Definition of Find definitions for: mas'ter build'er Pronunciation: [key] a building contractor. a person skilled in the art of building; architect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. master bedroom Master Builder, The* Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language