bilateral: Meaning and Definition of

bi•lat•er•al

1. pertaining to, involving, or affecting two or both sides, factions, parties, or the like: a bilateral agreement; bilateral sponsorship.
2. located on opposite sides of an axis; two-sided, esp. when of equal size, value, etc.
3. pertaining to the right and left sides of a structure, plane, etc.
4. (of a contract) binding the parties to reciprocal obligations.
5. through both parents equally:Cf. unilateral (def. 7). bilateral affiliation.

1. a bilateral agreement, esp. regarding international trade.