a former moor in NE England, west of York: Cromwell's victory over the Royalists 1644.
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British Dictionary definitions for marston moor
a flat low-lying area in NE England, west of York: scene of a battle (1644) in which the Parliamentarians defeated the Royalists
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012