Definitions for "Pollex"
Keywords:  thumb, preaxial, hallux, bastard, hind
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.
Latin = thumb.
the thick short innermost digit of the forelimb
a term used by astronomers when referring to a double star system