Synset
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
<noun.animal>
pit viper
semantic pointers
hypernym
viper
member holonym
Crotalidae, family Crotalidae
hyponym
copperhead, Agkistrodon contortrix
cottonmouth, water moccasin, cottonmouth moccasin, Agkistrodon piscivorus
rattlesnake, rattler
fer-de-lance, Bothrops atrops