'Remnant' in the Bible

Now when Joshua and the sons of Israel had finished striking the Amorites dead in a very great defeat, until they were wiped out, and the surviving remnant among them had entered the fortified cities,

and the territory of Og king of Bashan, one of the remnant of the Rephaim, who lived at Ashtaroth and at Edrei,

For if you ever turn back and cling to the rest of these nations, these that are left among you, and intermarry with them, so that you associate with them and they with you,