1) Area 2) Of the palm or sole 3) Palmar 4) Region 1) Palmar 
of, like or pertaining to the palm or the sole; of, like or pertaining to flight
• (a.) Of or pertaining to the palm of the hand or the sole of the foot.
Surfaces of the soles of the feet or palms of the hands.
(vo´lәr) pertaining to the sole or palm; indicating the flexor surface of the forearm, wrist, or hand.
Palm of hand or sole of foot
Vo'lar adjective [ Latin 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. 
The palm of the hand.
Type: Term Pronunciation: vō′lăr Definitions: 1. Referring to the vola; denoting either the palm of the hand or sole of the foot. Synonyms: volaris
Volar: Pertaining to both the palm and sole. It comes from word 'vola' which the ancient Romans used for 'the palm of the hand and the sole of the foot.' By comparison, the term 'palm' applies to only the palm (the grasping side) of the hand. The Romans actually used the word 'palma' for the outstretched palm of the hand.
[adj] - relating to the palm of the hand or the sole of the foot
Referring to the walking surface of the paw