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]WordNet (r) 3.0 (2006):
volar adj 1: relating to the palm of the hand or the sole of the foot; "the volar surface"; "the palmar muscle" [syn: palmar, volar]