DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Volar \Vo"lar\, a. [L. vola the palm of the hand, the sole of
      the foot.] (Anat.)
      Of or pertaining to the palm of the hand or the sole of the
      foot.
      [1913 Webster]