/kəʊ-ˈpɑːti/ – noun
Definition: bên tranh tụng (đồng nguyên đơn hay đồng bị đơn).
A more thorough explanation: A co-party refers to a party who is joined with one or more other parties in a legal action, such as a lawsuit or legal proceeding. Each co-party has a shared interest or involvement in the case and is typically named as a plaintiff or defendant in the legal documents.
Example: The co-party in the lawsuit filed a motion to dismiss the case.