'Loins' in the Bible

None shall be weary nor stumble among them; none shall slumber nor sleep; neither shall the girdle of their loins be loosed, nor the latchet of their shoes be broken:

And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.

At the same time spake the LORD by Isaiah the son of Amoz, saying, Go and loose the sackcloth from off thy loins, and put off thy shoe from thy foot. And he did so, walking naked and barefoot.

Therefore are my loins filled with pain: pangs have taken hold upon me, as the pangs of a woman that travaileth: I was bowed down at the hearing of it; I was dismayed at the seeing of it.

Tremble, ye women that are at ease; be troubled, ye careless ones: strip you, and make you bare, and gird sackcloth upon your loins.

Thus saith the LORD to his anointed, to Cyrus, whose right hand I have holden, to subdue nations before him; and I will loose the loins of kings, to open before him the two leaved gates; and the gates shall not be shut;