/ Dictionary / Index M massif: Meaning and Definition of Find definitions for: mas•sif Pronunciation: (ma-sēf', mas'if Fr. ma-sēf'), [key] — n. a compact portion of a mountain range, containing one or more summits. a large elevated block of old complex rocks resistant to both erosion and crustal folding. a band or zone of the earth's crust raised or depressed as a unit and bounded by faults. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: massif (Thesaurus) massicot Massif Central Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language