blue devil, n.
the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
<noun.artifact>
Amytal amobarbital sodium blue blue angel blue devil
semantic pointers
hypernym
a coarse prickly European weed with spikes of blue flowers; naturalized in United States
<noun.plant>
Echium vulgare blue devil blue thistle blueweed viper's bugloss