/ Dictionary / Index M Mesmer: Meaning and Definition of Find definitions for: Mes•mer Pronunciation: (mez'mur Ger. mes'mur), [key] or1733–1815, Austrian physician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mesmer (Thesaurus) mesityl oxide mesmeric Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language