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Pronunciation: pin'a, pin'e


  1. A feather, wing, or fin.
  2. In veterinary anatomy, the moveable cartilage and associated fleshy structures of the ear located externally, outside the vertical ear canal.

Synonym(s): auricle

[L. pinna or penna, a feather, in pl. a wing]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.