belonging to a proprietor.

being a proprietor; holding property

the proprietary class.

pertaining to property or ownership

proprietary wealth.

belonging or controlled as property.

manufactured and sold only by the owner of the patent, formula, brand name, or trademark associated with the product

proprietary medicine.

privately owned and operated for profit

proprietary hospitals.

an owner or proprietor.

a body of proprietors.

American History . the grantee or owner, or one of the grantees or owners, of a proprietary colony.

ownership.

something owned, esp. real estate.

a proprietary medicine.

Also called proprietary school. a school organized as a profit-making venture primarily to teach vocational skills or self-improvement techniques.