pollex Meaning, Definition & Usage

  1. noun the thick short innermost digit of the forelimb
    thumb.

WordNet

Pol"lex noun
Etymology
L., the thumb.
Wordforms
plural Pollices
Definitions
  1. (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.

Webster 1913