plural copperheads
Definition of copperhead
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
disapproving
: a person in the northern states who sympathized with the South during the American Civil War
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Merriam-Webster unabridged
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Time Traveler for copperhead
The first known use of copperhead was in 1775
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