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acetabulum

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acetabulum


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Acetabulum  \Ac`e*tab"u*lum\,  n.  [L.,  a  little  saucer  for 
  vinegar,  fr  acetum  vinegar,  fr  acere  to  be  sour.] 
  1.  (Rom.  Antiq.)  A  vinegar  cup;  socket  of  the  hip  bone;  a 
  measure  of  about  one  eighth  of  a  pint,  etc 
 
  2.  (Anat.) 
  a  The  bony  cup  which  receives  the  head  of  the  thigh 
  bone. 
  b  The  cavity  in  which  the  leg  of  an  insect  is  inserted 
  at  its  articulation  with  the  body. 
  c  A  sucker  of  the  sepia  or  cuttlefish  and  related 
  animals. 
  d  The  large  posterior  sucker  of  the  leeches. 
  e  One  of  the  lobes  of  the  placenta  in  ruminating 
  animals. 
 
  From  WordNet  r  1.6  [wn]: 
 
  acetabulum 
  n  :  the  cup-shaped  hollow  in  the  hipbone  into  which  the  head  of 
  the  femur  fits  to  form  a  ball-and-socket  joint  [syn:  {cotyloid 
  cavity}] 




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