n :  an anatomical structure that is protuberant and often hollow: as  a  :  ABDOMEN : also  :  a large bodily cavity (as in the head, thorax, or abdomen) containing organs  b  :  BELLY 2 .
 
 
 
Similar sounding terms:   foun·der  pho·na·to·ry  pho·ni·a·try 
 
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