D defs.my
Entry 2 senses Webster, 1913

Amphisbæna

· Am·phis·bæ·na · IPA /æmfɪsˈbiːnə/
01 n. A fabled serpent with a head at each end, moving either way.
  1. 1.
    A fabled serpent with a head at each end, moving either way.
  2. 2.
    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.(Zool.)