loin

 
Pronunciation: /lɔɪn/

noun

(usually loins)
  • the part of the body on both sides of the spine between the lowest (false) ribs and the hip bones.
  • (loins) chiefly literary the region of the sexual organs regarded as the source of erotic or procreative power: he felt a stirring in his loins at the thought
  • a joint of meat that includes the vertebrae of the loins: loin of pork

Origin:

Middle English: from Old French loigne, based on Latin lumbus