basilical

from The Collaborative International Dictionary of English v.0.48

Basilic \Ba*sil"ic\, Basilical \Ba*sil"ic*al\, a. [See
   {Basilica}.]
   1. Royal; kingly; also, basilican.
      [1913 Webster]

   2. (Anat.) Pertaining to certain parts, anciently supposed to
      have a specially important function in the animal economy,
      as the middle vein of the right arm.
      [1913 Webster]