blue devil is a noun meaning "a coarse prickly European weed with spikes of blue flowers; naturalized in United States". It carries 2 recorded senses.
a coarse prickly European weed with spikes of blue flowers; naturalized in United States
the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
Definitions, synonyms and semantic relations for blue devil come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.