1. people who share ownership or participation in a business or enterprise

Examples

• The two entrepreneurs became copartners in the new restaurant venture.
• As copartners, they shared both the profits and the responsibilities equally.
• The law firm was established by three copartners who had worked together for years.
• The copartners disagreed about the company’s future direction.
• Each of the copartners contributed different skills to make the business successful.
• The contract clearly outlined the duties and rights of all copartners.