/ Dictionary / Index M Mainz: Meaning and Definition of Find definitions for: Mainz Pronunciation: (mīnts), [key] — n. a port in SW central Germany, at the confluence of the Rhine and Main rivers: capital of Rhineland-Palatinate. 172,400. French, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. main yard Mainz Psalter* Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language