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auricle

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auricle


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Auricle  \Au"ri*cle\,  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}. 
 
  2.  (Zo["o]l.)  An  angular  or  ear-shaped  lobe. 
 
  3.  An  instrument  applied  to  the  ears  to  give  aid  in  hearing; 
  a  kind  of  ear  trumpet.  --Mansfield. 
 
  From  WordNet  r  1.6  [wn]: 
 
  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}] 




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