auricle

  1. Noun.  (anatomy) The outer ear or pinna.
  2. Noun.  (anatomy) An ear-shaped appendage of the left or right atrium of the heart.
  3. Noun.  (anatomy) An atrium, the smaller of the two types of heart chamber.
  4. Noun.  (botany) Any appendage in the shape of an earlobe.

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This entry was last updated on RefTopia from its source on 3/20/2012.