Perazim
Smith’s Bible Dictionary
“Perazim” means a breach
Perazim: Mount, a name which occurs in (Isaiah 28:21) only --unless the place which it designates is identical with the Baal-perazim mentioned as the scene of one of David's victories over the Philistines, which was in the valley of Rephaim, south of Jerusalem, on the road to Bethlehem.