Bivious

from The Collaborative International Dictionary of English v.0.48

Bivious \Biv"i*ous\, a. [L. bivius; bis twice + via way.]
   Having, or leading, two ways.
   [1913 Webster]

         Bivious theorems and Janus-faced doctrines. --Sir T.
                                                  Browne.
   [1913 Webster]