Horehound

Webster's Dictionary of the English Language

·noun A plant of the genus Marrubium (M. vulgare), which has a bitter taste, and is a weak tonic, used as a household remedy for colds, coughing, ·etc.

Related Words

horehound
(Marrubium vulgare.) One of the most common medicinal plants, celebrated for its virtues in the cure...

Dictionary of American Words And Phrases by John Russell Bartlett.
Water horehound
·- <<Bugleweed>>. ...

Webster's Dictionary of the English Language