Noun: black horehound blak 'hor,hawnd
- Ill-smelling European herb with rugose leaves and whorls of dark purple flowers
"Black horehound grew wild along the hedgerow despite its unpleasant smell";
- black archangel, fetid horehound, stinking horehound, Ballota nigra
Derived forms: black horehounds
Type of: herb, herbaceous plant
Part of: Ballota, genus Ballota
Encyclopedia: Black horehound