0 in a way that involves three groups or countries:
Ministries in the three countries work trilaterally on transportation, energy, and food safety.
Some work has been done trilaterally on automobile emissions standards.
1 in a way that has three sides:
trilaterally symmetrical forms
Progress is most likely to be made bilaterally rather than trilaterally.
Both countries will have to consider carefully how to deal bilaterally or trilaterally with the new tariffs.
Sometimes details had to be negotiated trilaterally, with hospital operators as well as the patient and therapists.
It is trilaterally symmetrical in three-dimensional terms.
I hope that this matter will be pursued trilaterally in the subcontinent.
We have asked why we do not sit down together trilaterally and try to find a solution.
In this context, we have started cooperating trilaterally with developed countries as well.
They are tall, slender and trilaterally symmetric.
