/ Dictionary / Index M MLW: Meaning and Definition of Find definitions for: MLW Pronunciation: [key] mean low water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. MLU mlx 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