| 1. | a felt hat with a broad, stiff brim and four dents in the crown, formerly worn by personnel in the U.S. Army and Marine Corps. |
| 2. | a hat resembling this, worn as part of a uniform by forest rangers, state troopers, boy scouts, and other groups. |
| campaign hat | |
noun | |
| a broad-brimmed felt hat with a high crown; formerly worn by the United States Army and Marine personnel |