proprietaries

noun pl. proprietaries

1. a proprietor or owner
2. a group of proprietors
3. proprietorship or ownership
4. ☆ the grantee or owner of a proprietary colony in colonial America
5. a proprietary medicine

Origin: LL proprietarius < L proprietas: see property

adjective

1. belonging to a proprietor
2. holding property
3. of property or proprietorship
4. privately owned and operated: a proprietary nursing home
5. held under patent, trademark, or copyright by a private person or company: a proprietary medicine