| any of a number of U.S. flags that bear a picture of a rattlesnake and the motto “Don't Tread on Me,” esp. those used during the French and Indian War and the American Revolution. |
| rattlesnake flag n. Any of several U.S. flags bearing the motto "Don't Tread on Me" and a picture of a rattlesnake, used during the French and Indian War (1754-1763) and the Revolutionary War. |