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pinna

pinna is defined in Webster's Unabridged Dictionary (1913) with 3 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Zoöl.) One of the divisions of a pinnate part or organ.
  2. 2.Etym: [L. pinna, akin to Gr. (Zoöl.) Any species of Pinna, a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long, silky fibers, which have been used in manufacturing woven fabrics, as a curiosity.
  3. 3.(Anat.) The auricle of the ear. See Ear.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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