horehound(redirected from horehounds)
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hore·hound, hoarhound (hōr-hownd),
Marrubium vulgare (family Labitae); bitter principle is marrubium, a volatile oil. A compound alleged to have expectorant properties and often found in cough drops and other patent medicines.
[O.E. hār, hoary, + hūne, herb]
a. An aromatic plant (Marrubium vulgare) in the mint family having leaves with white pubescence and numerous white flowers in axillary cymes, native to Eurasia. The leaves yield a bitter extract used in flavoring and as a cough remedy.
b. A candy or preparation flavored with this extract.
2. Any of several similar plants in the mint family, especially Ballota nigra.