n.
Pronunciation: ' kä-p ə r- ˌ hed
Function: noun
Date: 1775
1 : a common pit viper ( Agkistrodon contortrix ) of the eastern and central U.S. usually having a copper-colored head and often a reddish-brown hourglass pattern on the body
2 : a person in the northern states who sympathized with the South during the American Civil War
copperhead