n 1  :  the part of the body of a human or a quadruped that is situated on each side of the spinal column between the hipbone and the false ribs  2  loins  pl  a  :  the upper and lower abdominal regions and the region about the hips  b (1) :  the pubic region (2) :  the generative organs - not usu. used technically in senses 2a, b .
 
 
 
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