'Open' in the Bible

"Behold, I have taken the Levites from among the children of Israel instead of all the firstborn who open the womb among the children of Israel; and the Levites shall be mine:

For they are wholly given to me from among the children of Israel; instead of all who open the womb, even the firstborn of all the children of Israel, I have taken them to me.

But if Yahweh make a new thing, and the ground open its mouth, and swallow them up, with all that appertain to them, and they go down alive into Sheol; then you shall understand that these men have despised Yahweh."

Every open vessel, which has no covering bound on it, is unclean.

"Whoever in the open field touches one who is slain with a sword, or a dead body, or a bone of a man, or a grave, shall be unclean seven days.

he says, who hears the words of God, who sees the vision of the Almighty, falling down, and having his eyes open:

he says, who hears the words of God, knows the knowledge of the Most High, and who sees the vision of the Almighty, Falling down, and having his eyes open: