bilateral

adjectives

having identical parts on each side of an axis
bilateral, bilaterally symmetric, bilaterally symmetrical, isobilateral
is derived from
bilaterality
affecting or undertaken by two parties
"a bilateral agreement between the United States and Japan"
bilateral
is similar to
concerning each of two or more persons or things; especially given or done in return
"reciprocal aid"; "reciprocal trade"; "mutual respect"; "reciprocal privileges at other clubs"
mutual, reciprocal
having two sides or parts
bilateral, two-sided