/ Dictionary / Index M mastaba: Meaning and Definition of Find definitions for: mas•ta•ba Pronunciation: (mas'tu-bu), [key] — n. an ancient Egyptian tomb made of mud brick, rectangular in plan with sloping sides and a flat roof. (in Islamic countries) a fixed bench, esp. one of stone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mastaba (Thesaurus) mast mastax Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language