l]
| 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. | Biology. pertaining to the right and left sides of a structure, plane, etc. |
| 4. | Chiefly Law. (of a contract) binding the parties to reciprocal obligations. |
| 5. | through both parents equally: bilateral affiliation. Compare unilateral (def. 7). |
| 6. | Informal. a bilateral agreement, esp. regarding international trade. |
bilateral bi·lat·er·al (bī-lāt'ər-əl)
adj.
Having or formed of two sides; two-sided.
Having or marked by bilateral symmetry.