proprietarily /preuh pruy'i tair"i lee, -pruy"i ter'-/, adv.
/preuh pruy"i ter'ee/, adj., n., pl. proprietaries.
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.
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.