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horehound hore·hound (hôr'hound')
An aromatic Eurasian plant whose leaves of which yield a bitter extract that is used as a cough remedy.
A candy or preparation flavored with this extract.
(Marrubium vulgare), bitter perennial herb of the mint family (Lamiaceae) whose leaves and flowering tops are used as flavouring for beverages and candies and as a traditional medicine. Infusions or extracts of horehound in the form of syrups, beverages, or lozenges are popular in the United States as remedies for coughs and minor pulmonary disturbances. Native to Europe, North Africa, and Central Asia, horehound is naturalized in North America. It is cultivated in Great Britain and is occasionally found as an escape, growing wild on drier soils.