| ARN | United States writer (1902-1973) |
|---|---|
| ARN | an ointment used in treating bruises |
| ARN | any of various rhizomatous usually perennial plants of the genus Arnica |
| ARN | used especially in treating bruises |
| ARN | fall-blooming European herb with a yellow flower |
| ARN | wildflower with heart-shaped leaves and broad yellow flower heads |
| ARN | herb of pasture and open woodland throughout most of Europe and western Asia having orange-yellow daisylike flower heads that when dried are used as a stimulant and to treat bruises and swellings |
| ARN | a river in central Italy rising in the Apennines and flowing through Florence and Pisa to the Ligurian Sea |
| ARN | American general and traitor in the American Revolution |
| ARN | English poet and literary critic (1822-1888) |
| ARN | United States golfer (born in 1929) |
| ARN | United States psychologist noted for his work in child development (1880-1961) |