'Thickets' in the Bible

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.

For wickedness burneth as the fire: it shall devour the briers and thorns, and shall kindle in the thickets of the forest, and they shall mount up like the lifting up of smoke.

And he shall cut down the thickets of the forest with iron, and Lebanon shall fall by a mighty one.

The whole city shall flee for the noise of the horsemen and bowmen; they shall go into thickets, and climb up upon the rocks: every city shall be forsaken, and not a man dwell therein.