A formal arrangement or pact made by two or more parties; often an agreement with binding terms (commonly used for international or official arrangements).
両国は貿易に関する協定に署名した。
The two countries signed an agreement on trade.
その協定は来月から発効する予定だ。
The agreement is scheduled to take effect from next month.
企業間の価格協定は独占禁止法に抵触することがある。
Price agreements between companies can sometimes violate antitrust laws.