/ Dictionary / Index M mouthwash: Meaning and Definition of Find definitions for: mouth•wash Pronunciation: (mouth'wôsh", -wosh"), [key] — n. a solution, often containing antiseptic, astringent, and breath-sweetening agents, used for cleansing the mouth and teeth, and for gargling. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mouthwash (Thesaurus) mouth-to-mouth resuscitation mouth-watering Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language