Breadcrumb Home > Dictionary > Index M mesomorph: Meaning and Definition of Find definitions for: mes•o•morph Pronunciation: (mez'u-môrf", mes'-, mē'zu-, -su-), [key] — n. a person of the mesomorphic type. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mesomorph (Thesaurus) mesometeorology mesomorphic ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language