Arnica
Pronunciation : Ar"ni*ca
Part of Speech : n.
Etymology : [Prob. a corruption of ptarmica.] (Bot.)
Definition : Defn: A genus of plants; also, the most important species (Arnica montana), native of the mountains of Europe, used in medicine as a narcotic and stimulant.
Note: The tincture of arnica is applied externally as a remedy for bruises, sprains, etc.
Source : Webster's Unabridged Dictionary, 1913