/ Dictionary / Index M Master Builder, The*: Meaning and Definition of Find definitions for: Mas'ter Build'er The Pronunciation: [key] a play (1892) by Ibsen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. master builder master class 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