Definition of arnica
: any of a genus (Arnica) of composite herbs including some with bright yellow ray flowers
Recent Examples of arnica from the Web
Varejao said that arnica do mato was popular in Brazil as a homemade remedy.
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Origin and Etymology of arnica
First Known Use: circa 1753See Words from the same year
Medical Definition of arnica
1a capitalized : a large genus of herbs (family Compositae) having flower heads that are discoid or have bright yellow raysb: a plant of the genus Arnica
2a: the dried flower head of any of several herbs of the genus Arnica (especially A. montana) used for stimulant and local irritant effect especially in the form of a liniment for bruises, sprains, and swellingsb: a tincture made from arnica
Learn More about arnica
Britannica.com: Encyclopedia article about arnica
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