n.
- One who has legal title to something; an owner.
- One who owns or owns and manages a business or other such establishment.
[Probably alteration of Middle English proprietarie. See proprietary.]
proprietorial pro·pri'e·to'ri·al (-tôr'ē-əl, -tōr'-) adj.proprietorially pro·pri'e·to'ri·al·ly adv.
proprietorship pro·pri'e·tor·ship' n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.