Dictionary
ar•ni•ca
Pronunciation: (är'ni-ku), [key]—
n.
1. any composite plant of the genus
Arnica, having opposite leaves and yellow flower heads.
2. a tincture of the flowers of
A. montana, of Europe, and other species of
Arnica, formerly used as an external application in sprains and bruises.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.