(Science: anatomy) The first, or preaxial, digit of the fore limb, corresponding to the hallux in the hind limb; the thumb.

(Science: ornithology) In birds, the pollex is the joint which bears the bastard wing.

Origin: L, the thumb.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Pollex&oldid=42017"
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