Pol·lex n.; pl. Pollices   Anat. The first, or preaxial, digit of the fore limb, corresponding to the hallux in the hind limb; the thumb. In birds, the pollex is the joint which bears the bastard wing.
  ◄ ►
  pollex
       n : the thick short innermost digit of the forelimb [syn: thumb]
       [also: pollices (pl)]