[1] : The Collaborative International Dictionary of English v.0.48

auricle \au"ricle\, n. l. auricula, dim. of auris ear. see
   ear.
   1. anat.
      a the external ear, or that part of the ear which is
          prominent from the head.
      b the chamber, or one of the two chambers, of the heart,
          by which the blood is received and transmitted to the
          ventricle or ventricles; -- so called from its
          resemblance to the auricle or external ear of some
          quadrupeds. see heart.
          1913 webster

   2. zool. an angular or ear-shaped lobe.
      1913 webster

   3. an instrument applied to the ears to give aid in hearing;
      a kind of ear trumpet. --mansfield.
      1913 webster
see also:
ear heart 

[2] : WordNet (r) 2.0

auricle
     n 1: a small conical pouch projecting from the upper anterior
          part of each atrium of the heart syn: atrial auricle,
           auricula atrii
     2: the externally visible cartilaginous structure of the
        external ear syn: pinna, ear
see also:
atrial auricle auricula atrii pinna ear 

Auricle >> A Words
Auricle, definition of term: Auricle
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