- 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.
Origin of arnicaModern Latin
- Any of various perennial herbs of the genus Arnica in the composite family, having opposite, simple leaves and yellow or orange flower heads.
- 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 of arnicaNew Latin Arnica, genus name.