the world > animals > reptiles > order Squamata (lizards and snakes) > suborder Ophidia (snakes) > types of snake > [noun] > family Viperidae (vipers) > subfamily Crotalinae > member of genus Trigonocephalus (4)
a large and dangerously venomous pit viper, Agkistrodon piscivorus, which frequents lowland swamps and waterways in the southern United States (also…
a venomous snake of the American genus Bothrops (or Craspedocephalus), esp. B. lanceolatus, of the West Indies; = fer-de-lance, n. 2.