bilateral
adjective/bilɐtɨˈɾal/medium
bi·la·te·ral
Definition
Involving or applying to two parties, sides, or countries in a mutual and reciprocal manner.
The two countries signed a bilateral trade agreement.
Bilateral cooperation between the two regions intensified.
Common collocations
bilateral agreementbilateral relationsbilateral negotiations
Etymology
Do latim 'bilaterālis', de 'bi-' (dois) + 'latus, lateris' (lado).