/ Dictionary / Index M Massillon: Meaning and Definition of Find definitions for: Mas•sil•lon Pronunciation: (mas'u-lon"), [key] — n. a city in NE Ohio. 30,557. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Massif Central Massine 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