A flavored, usually antiseptic solution used for cleaning the mouth and freshening the breath.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "mouthwash" in a sentence
"Case in point: SALT LAKE CITY - A transient was arrested for the 452nd time this week after allegedly trying to steal a bottle of mouthwash from a drug store."
"This of course does not affect everyone, but seems to be something to keep in mind that your mouthwash might be the one that allows your coffee to stain your teeth. —"
"Health Canada is recalling a mouthwash sold at Dollarama stories across Canada after testing showed it includes a dangerous bacteria."