Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun black_horehound

1 sense of black horehound

Sense 1
black horehound, black archangel, fetid horehound, stinking horehound, Ballota nigra -- (ill-smelling European herb with rugose leaves and whorls of dark purple flowers)
       => herb, herbaceous plant -- (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)