Bilateral negotiations, meetings, or agreements, involve only the two groups or countries that are directly concerned. bilateral talks between Britain and America. + bilaterally bi·lat·er·al·ly Disputes and differences between the two neighbours would be solved bilaterally. involving two groups or nations bilateral relations/trade/agreements/negotiations etc
having two sides or parts affecting or undertaken by two parties; "a bilateral agreement between the United States and Japan" having identical parts on each side of an axis
Of or pertaining to the two sides of a central area or organ, or of a central axis; as, bilateral symmetry in animals, where there is a similarity of parts on the right and left sides of the body