proprietary colony: Meaning and Definition of

propri'etary col'ony

Pronunciation: [key]
— Amer. Hist. Amer. Hist.
  1. any of certain colonies, as Maryland and Pennsylvania, that were granted to an individual or group by the British crown and that were granted full rights of self-government. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.