| 1. | a single-shot, breechloading .45-caliber rifle used by the U.S. Army from 1867 to 1893. |
| 2. | Also called Springfield 1903. a bolt-operated, magazine-fed, .30-caliber rifle adopted by the U.S. Army in 1903 and used during World War I. |
| 3. | a single-shot, muzzleloading rifle of .58-inch caliber, used by the Union Army during the Civil War. |
| Springfield rifle n. A magazine-fed breechloading bolt-action .30-caliber rifle used by the U.S. Army especially in World War I. [After Springfield, Massachusetts.] |
