Pollex meaning

pŏlĕks
The innermost digit of a forelimb; esp., the thumb.
noun
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The first, or preaxial, digit of the forelimb, corresponding to the hallux in the hind limb; the thumb. In birds, the pollex is the joint which bears the bastard wing.
noun
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Origin of pollex

  • Latin thumb, big toe

    From American Heritage Dictionary of the English Language, 5th Edition