or sakak (Exod. 33:22) {saw-kak'}; a primitive root; properly, to entwine as a screen; by implication, to fence in, cover over, (figuratively) protect:--cover, defence, defend, hedge in, join together, set, shut up.
(Qal) to hedge, fence about, shut in
to block, overshadow, screen, stop the approach, shut off, cover
