copperhead copperer • copperheadism · · · Info · Definitions · Synonyms · Characters · · copperhead · · Text Latin · · Script 10 · · Length Definitions · · · (noun) common coppery brown pit viper of upland eastern United States. Synonyms: Agkistrodon contortrix. · · Noun Definition 1 (noun) venomous but sluggish reddish-brown snake of Australia. Synonyms: Denisonia superba. · · Noun Definition 2 Synonyms · · · agkistrodon contortrix · · Synonym 1 denisonia superba · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072