Source : Webster's Revised Unabridged Dictionary (1913)

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.

Source : WordNet®

volar
     adj : relating to the palm of the hand or the sole of the foot;
           "the volar surface"; "the palmar muscle" [syn: {palmar}]