1. a person who owns property or a business jointly with one or more other people
Usage: also spelled co-proprietor; formal/legal usage

Examples

• The two coproprietors of the restaurant made all major decisions together.
• As a coproprietor of the building, she was responsible for half the maintenance costs.
• The coproprietors agreed to sell the business after five years.
• Each coproprietor held an equal share in the company.
• The contract outlined the rights and duties of each coproprietor.