- proprietary
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—proprietarily /preuh pruy'i tair"i lee, -pruy"i ter'-/, adv./preuh pruy"i ter'ee/, adj., n., pl. proprietaries.adj.1. belonging to a proprietor.2. being a proprietor; holding property: the proprietary class.3. pertaining to property or ownership: proprietary wealth.4. belonging or controlled as property.5. manufactured and sold only by the owner of the patent, formula, brand name, or trademark associated with the product: proprietary medicine.6. privately owned and operated for profit: proprietary hospitals.n.7. an owner or proprietor.8. a body of proprietors.9. Amer. Hist. the grantee or owner, or one of the grantees or owners, of a proprietary colony.10. ownership.11. something owned, esp. real estate.12. a proprietary medicine.13. Also called proprietary school. a school organized as a profit-making venture primarily to teach vocational skills or self-improvement techniques.[1400-50; late ME (n.) < ML proprietarius owner, n. use of LL: of an owner, of ownership. See PROPRIETY, -ARY]
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Universalium. 2010.