1. [ adjective ] having identical parts on each side of an axis
Synonyms: bilaterally_symmetrical bilaterally_symmetric isobilateral
Related terms: symmetrical
2. [ adjective ] affecting or undertaken by two parties

"a bilateral agreement between the United States and Japan"

Related terms: reciprocal
3. [ adjective ] having two sides or parts
Synonyms: two-sided
Related terms: unilateral multilateral joint bipartite bipartite
Similar spelling:   bilaterally