Definition of "proprietorship" [pro•pri•e•tor•ship]

• The state of being a proprietor; ownership (noun)

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• "You don't need to file paperwork to establish a sole proprietorship, which is a business that's owned by one person or a husband-and-wife team."
• "As for the sign's affirmation of Mr. Bangs proprietorship, that is considered the cream of the joke."
• "And no market has a more developed sense of entitled proprietorship over their purchases than video-game nerds."