cottonmouth moccasin

English Thesaurus

1. venomous semiaquatic snake of swamps in southern United States (noun.animal)

hypernym	:	pit viper,
definition	:	New World vipers with hollow fangs and a heat-sensitive pit on each side of the head (noun.animal)

member meronym	:	agkistrodon, ancistrodon, genus agkistrodon, genus ancistrodon,
definition	:	copperheads (noun.animal)