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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.
(Historical Terms) history US any of various colonies, granted by the Crown in the 17th century to a person or group of people with full governing rights
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|Noun||1.||proprietary colony - a colony given to a proprietor to govern (in 17th century)|