a venomous Australian elapid snake, Acanthophis antarcticus, resembling an adder
death adder in American English
noun
either of two highly venomous elapid snakes of the genus Acanthophis, of Australia and New Guinea, having a stout body and broad head
Word origin
[1855–60]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: boilerplate, keyword, lavabo, output, superheat