Amphisbaena
(n.) A fabled serpent with a head at each end, moving either way.
(n.) A genus of harmless lizards, serpentlike in form, without legs, and with both ends so much alike that they appear to have a head at each, and ability to move either way. See Illustration in Appendix.
Similar Words:
Amphi- Amphiarthrodial Amphiarthrosis Amphiaster Amphibia Amphibial Amphibian Amphibiological Amphibiology Amphibiotica