perineum definition, perineum meaning | English dictionary

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      n   pl   , -nea  
1    the region of the body between the anus and the genital organs, including some of the underlying structures  
2    the nearly diamond-shaped surface of the human trunk between the thighs  
     (C17: from New Latin, from Greek perinaion, from peri- + inein to empty out)  
  perineal      adj  
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