Copperhead

n.	1.	(Zool.) A poisonous American serpent (Ancistrodon conotortrix), closely allied to the rattlesnake, but without rattles; - called also copper-belly, and red viper.
	2.	A nickname applied to a person in the Northern States who sympathized with the South during the Civil War.

Noun	1.	copperhead - common coppery brown pit viper of upland eastern United States Synonyms: Agkistrodon contortrix
	2.	copperhead - venomous but sluggish reddish-brown snake of Australia Synonyms: Denisonia superba

Agkistrodon, Agkistrodon contortrix, Ancistrodon, genus Agkistrodon, genus Ancistrodon, pit viper