mouthwash

noun mouth·wash \ˈmau̇th-ˌwȯsh, -ˌwäsh\

: a liquid that is used to clean your mouth and teeth and to make your breath smell better

Full Definition of MOUTHWASH

: a usually antiseptic liquid preparation for cleaning the mouth and teeth or freshening the breath

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1840

Medical Dictionary

noun mouth·wash \ˈmau̇th-ˌwȯsh, -ˌwäsh\

: a liquid preparation (as an antiseptic solution) for cleansing the mouth and teeth—called also collutorium

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