Definition from Wiktionary, the free dictionary
amphisbaena (plural amphisbaenas)
- (mythology) A mythical serpent having a head at each end of its body, able to move in either direction.
- 1971: What do you call that animal that goes backward and forward, head at each end? —Amphisbaena. A kind of lizard. It doesn't exist. — Anthony Burgess, M/F (Penguin 2004, p. 109)
- A genus of lizards, native to the Americas, having extremities which are very similar.
mythical serpent having a head at each end of its body
any of the genus Amphisbaena of legless lizards