Main Entry:

bi·lat·er·al

Pronunciation:

\(ˌ)bī-ˈla-t(ə-)rəl\

Function:

adjective

Date:

1775

1: having two sides2: affecting reciprocally two nations or parties <a bilateral treaty> <a bilateral trade agreement>3 a: of, relating to, or affecting the right and left sides of the body or the right and left members of paired organs <bilateral nephrectomy> b: having bilateral symmetry

— bi·lat·er·al·ism \-t(ə-)rə-ˌli-zəm\ noun

— bi·lat·er·al·ly adverb