'Cleft of the Rock' in the Bible

and while My glory is passing by, I will put you in a cleft of the rock and protectively cover you with My hand until I have passed by.

Then he struck them without mercy, a great slaughter; and he went down and lived in the cleft of the rock of Etam.

Then three thousand men of Judah went down to the cleft of the rock of Etam and said to Samson, “Have you not known that the Philistines are rulers over us? What is this that you have done to us?” He said to them, “As they did to me, so I have done to them.”

“Get up and take the waistband that you have bought, which is [wrapped] around your loins, and go to the [river] Euphrates and hide it there in a crevice of the rock.”