proprietary colony

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of certain early North American colonies, such as Carolina and Pennsylvania, organized in the 1600s in territories granted by the English Crown to one or more proprietors who had full governing rights.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a colony given to a proprietor to govern (in 17th century)