copartyglossary / COPARTY coparty. A litigant or participant in a legal transaction who has a like status with another party; a party on the same side of a lawsuit. — Also termed joint party. See CODEFENDANT; COPLAINTIFF. 词条贡献者 译者Frank,毕业于英国一流的高级翻译学院,擅长翻译涉及交通物流领域的法律文件。