Source : Webster's Revised Unabridged Dictionary (1913)

Asarone \As"a*rone\, n. [L. asarum hazelwort, wild spikenard,
   Gr. 'a`saron] (Chem.)
   A crystallized substance, resembling camphor, obtained from
   the {Asarum Europ[ae]um}; -- called also {camphor of asarum}.