English noun: blue thistle | |||
1. | blue thistle (plant) a coarse prickly European weed with spikes of blue flowers; naturalized in United States | ||
Synonyms | blue devil, blueweed, Echium vulgare, viper's bugloss | ||
Broader (hypernym) | herb, herbaceous plant | ||
Member meronym | Echium, genus Echium | ||