noun
bilateral contract; mutual agreement
Legal term for a contract where both parties have obligations, as opposed to a unilateral contract.
売買契約は双務契約の代表例です。
A sales contract is a typical example of a bilateral contract.
A unilateral contract where only one party assumes an obligation, contrasting with 双務契約 where both parties have duties.
Compound of 双務 (mutual obligation) and 契約 (contract). The exact historical derivation is uncertain, but the term is a modern legal coinage.