'Loins' in the Bible
And righteousness shall be the belt around his waist, and faithfulness the belt around his loins.
at that time, Yahweh had spoken by the hand of Isaiah son of Amoz, saying, "Go and loosen the sackcloth from your loins, and take off your sandals from your feet," and he had done so, walking naked and barefoot.
Therefore my loins are filled [with] anguish; pangs have seized me, like [the] pangs of a woman giving birth. I am {too bent to hear}, I am {too dismayed to see}.
Tremble, [you who are] at ease; tremble, carefree ones; strip, and strip yourself, and gird yourself on [your] loins,
Thus says Yahweh to his anointed one, to Cyrus, whose right hand I have grasped to subjugate nations before him, and I uncover [the] loins of kings to open doors before him, and [the] gates shall not be shut: