"caves"
6 occurrences in KJV
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.
When the men of Israel saw that they were in a strait,(for the people were distressed,) then the people did hide themselves in caves, and in thickets, and in rocks, and in high places, and in pits.
And they shall go into the holes of the rocks, and into the caves of the earth, for fear of the LORD, and for the glory of his majesty, when he ariseth to shake terribly the earth.