- any of a number of plants (genus Arnica) of the composite family, bearing bright yellow flowers on long stalks with clusters of leaves at the base
- a preparation made from certain of these plants (esp. A. montana or A. cordifolia), once used for treating sprains, bruises, etc.
See arnica in American Heritage Dictionary 4
- Any of various perennial herbs of the genus Arnica in the composite family, having opposite, simple leaves and mostly radiate heads of yellow flowers.
- 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.
Origin: New Latin Arnica, genus name
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