Verses with the word dens in the Old Testament (7 verses):

Judges 6:2
And the hand of Midian prevailed against Israel: and because of the Midianites the children of Israel made them the dens which are in the mountains, and caves, and strong holds.

Job 37:8
Then the beasts go into dens, and remain in their places.

Job 38:40
When they couch in their dens, and abide in the covert to lie in wait?

Psalms 104:22
The sun ariseth, they gather themselves together, and lay them down in their dens.

Canticles 4:8
Come with me from Lebanon, my spouse, with me from Lebanon: look from the top of Amana, from the top of Shenir and Hermon, from the lions' dens, from the mountains of the leopards.

Isaiah 32:14
Because the palaces shall be forsaken; the multitude of the city shall be left; the forts and towers shall be for dens for ever, a joy of wild asses, a pasture of flocks;

Nahum 2:12
The lion did tear in pieces enough for his whelps, and strangled for his lionesses, and filled his holes with prey, and his dens with ravin.