(n.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). horehound. Retrieved September 21, 2026, from http://smartdefine.org/horehound/definitions/2017331 |
| Chicago | Webster's. 2011. "horehound" http://smartdefine.org/horehound/definitions/2017331 (accessed September 21, 2026). |
| Harvard | Webster's 2011, horehound, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/horehound/definitions/2017331>. |
| MLA | Webster's. "horehound" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/horehound/definitions/2017331> |