'Set apart' in the Bible

That thou shall set apart to the LORD all that openeth the matrix; and every firstling that cometh of a beast which thou hast, the males shall be the LORD'S.

Then Moses set apart three cities on the side of Jordan, towards the sun-rising;

But know that the LORD hath set apart him that is godly for himself: the LORD will hear when I call to him.

In thee have they uncovered their fathers' nakedness: in thee have they humbled her that was set apart for pollution.