negotiation team; negotiating body
Refers to a group of people sent to negotiate, often in business, labor, or diplomatic contexts.
The company dispatched a negotiation team for the new contract.
The labor union's negotiating body discussed with management.
代表団 is a general delegation or representative group, not necessarily for negotiation. 交渉団 emphasizes the purpose of negotiating.
Compound of 交渉 (negotiation) and 団 (group, body).