from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various perennial herbs of the genus Arnica in the composite family, having opposite, simple leaves and mostly radiate heads of yellow flowers.
- n. A tincture of the dried flower heads of the European species A. montana, applied externally to reduce the pain and inflammation of bruises and sprains.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several plants, of the genus Arnica, related to the sunflowers.
New Latin Arnica, genus name.(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin Arnica (Wiktionary)