'Severed' in the Bible

And ye shall be holy unto me: for I the LORD am holy, and have severed you from other people, that ye should be mine.

Then Moses severed three cities on this side Jordan toward the sunrising;

Now Heber the Kenite, which was of the children of Hobab the father in law of Moses, had severed himself from the Kenites, and pitched his tent unto the plain of Zaanaim, which is by Kedesh.