- (n.) A poisonous American serpent (Ancistrodon conotortrix), closely allied to the rattlesnake, but without rattles; -- called also copper-belly, and red viper.
- (n.) A nickname applied to a person in the Northern States who sympathized with the South during the Civil War.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). copperhead. Retrieved September 23, 2026, from http://smartdefine.org/copperhead/definitions/1991483 |
| Chicago | Webster's. 2011. "copperhead" http://smartdefine.org/copperhead/definitions/1991483 (accessed September 23, 2026). |
| Harvard | Webster's 2011, copperhead, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/copperhead/definitions/1991483>. |
| MLA | Webster's. "copperhead" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/copperhead/definitions/1991483> |