Pollex

noun

Definitions

Noun
  1. 1
    The thumb; the first, or preaxial, digit of the forelimb, corresponding to the hallux in the hind limb. In birds, the pollex is the joint which bears the alula or bastard wing.

    "The Simiidae have a man-like appearance. They possess neither tails nor bestial cheek pouches. Their arms are longer than their legs, and they have opposable pollexes and a broad sternum."

  2. 2
    the thick short innermost digit of the forelimb wordnet

Etymology

Borrowed from Latin pollex.

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