/ Dictionary / Index M Methuen: Meaning and Definition of Find definitions for: Me•thu•en Pronunciation: (mu-th'un), [key] — n. a town in NE Massachusetts, near Lawrence. 36,701. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. methoxy group Methuselah Related Content Daily Word Quiz: diurnal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language