/ Dictionary / Index M Marston Moor: Meaning and Definition of Find definitions for: Mars'ton Moor' Pronunciation: [key] a former moor in NE England, west of York: Cromwell's victory over the Royalists 1644. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marston marsupial Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language