1. A formal suggestion or plan presented by two parties or countries to each other, typically in diplomatic or business negotiations
The two nations discussed a bilateral proposal to increase trade between them.
Os dois países discutiram uma proposta bilateral para aumentar o comércio entre eles.
2. An agreement framework or initiative that involves mutual commitments from both sides
The bilateral proposal on environmental protection was signed by both governments.
A proposta bilateral sobre proteção ambiental foi assinada por ambos os governos.