Definition (full): to entwine as a, screen, to fence in, cover over, protect
Strong's Exhaustive Concordance
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.
KJV: And the cherubims shall stretch forth their wings on high, covering the mercy seat with their wings, and their faces shall look one to another; toward the mercy seat shall the faces of the cherubims be.
NASB: "The cherubim shall have their wings spread upward, covering the mercy seat with their wings and facing one another; the faces of the cherubim are to be turned toward the mercy seat.
KJV: And the cherubims spread out their wings on high, and covered with their wings over the mercy seat, with their faces one to another; even to the mercy seatward were the faces of the cherubims.
NASB: The cherubim had their wings spread upward, covering the mercy seat with their wings, with their faces toward each other; the faces of the cherubim were toward the mercy seat.
KJV: And he brought the ark into the tabernacle, and set up the vail of the covering, and covered the ark of the testimony; as the LORD commanded Moses.
NASB: He brought the ark into the tabernacle, and set up a veil for the screen, and screened off the ark of the testimony, just as the LORD had commanded Moses.
KJV: When he was gone out, his servants came; and when they saw that, behold, the doors of the parlour were locked, they said, Surely he covereth his feet in his summer chamber.
NASB: When he had gone out, his servants came and looked, and behold, the doors of the roof chamber were locked; and they said, "He is only relieving himself in the cool room."