| black horehound n. A Eurasian perennial herb (Ballota nigra) in the mint family, having hairy, strong-smelling foliage and clusters of pinkish-purple flowers. |
black horehound
n
(Life Sciences & Allied Applications / Plants) a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  black horehound - ill-smelling European herb with rugose leaves and whorls of dark purple flowersherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests Ballota, genus Ballota - perennial herbs or subshrubs of especially Mediterranean area: black horehound |
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