/ Dictionary / Index M Mnesicles: Meaning and Definition of Find definitions for: Mnes•i•cles Pronunciation: (nes'u-klēz"), [key] — n. Greek architect of the 5th centuryb.c. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mnemosyne Mngr. Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language