copperhead
nounalso spelled CopperheadEtymology From copper + head.
› Any of certain of snakes having a…
1A venomous pit viper of species Agkistrodon contortrix, found in parts of North America.
2A water moccasin (Agkistrodon piscivorus)
3A Chinese copperhead (Deinagkistrodon acutus), a venomous pit viper species found in Southeast Asia
4Any Australian copperhead (Austrelaps spp.), a venomous elapid found in southern Australia and Tasmania.
5A copperhead rat snake (Coelognathus radiatus, syn. Elaphe radiata), a non-venomous colubrid species found in southern Asia.
Copperhead
nounEtymology After the dangerous copperhead snake, to which propagandists of the Republican Party compared Democrats interested in appeasement.
1US, Historical, Slang A northerner who sympathized with the South or wanted to end hostilities during the American Civil War.