midriff midriff /ˈmɪdrɪf/

noun

1. (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration  ( midriff , diaphragm )
   (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
    The diaphragm is a muscle that helps us breathe
   The diaphragm is a muscle that helps us breathe
   
   
2. The middle area of the human torso (usually in front)  ( midriff , midsection , middle )
   the middle area of the human torso (usually in front)
    Young American women believe that a bare midriff is fashionable
   young American women believe that a bare midriff is fashionable