/ Dictionary / Index M moat: Meaning and Definition of Find definitions for: moat Pronunciation: (mōt), [key] — n. a deep, wide trench, usually filled with water, surrounding the rampart of a fortified place, as a town or a castle. any similar trench, as one used for confining animals in a zoo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: moat (Thesaurus) moan mob Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language