As a noun:
* The mesh of the fishing net was too wide to catch the small fish.
* The artist used a mesh of fine wire to create the sculpture.
* The doctor applied a mesh to repair the hernia.
* The dress was made from a delicate mesh fabric.
* They talked about the mesh of their schedules.
As a verb:
* The gears meshed together perfectly.
* The two ideas meshed into a cohesive plan.
* The different cultures meshed well in the community.
In an idiomatic expression:
* The new employee meshed well with the team.
The best way to use "mesh" in a sentence depends on the specific context.