baI lae tə rəl
adjective
1. having two, esp. symmetrical, sides.
Many animals, including humans, have a bilateral structure.
2. concerning or equally obligating two parties.
India and the US signed a bilateral agreement on defense.
The two countries resolved the issues that impeded bilateral trade.
3. in biology, relating to the right and left sides of a structure.
The surgeon recommended she have a bilateral mastectomy to prevent the recurrence of breast cancer.