(a piece of) material like a net with spaces in it, made from wire, plastic, or thread

a sieve with a fine/large mesh 细／粗筛孔的滤网

a wire mesh fence 金属丝网栅

When different things or people mesh, they suit each other or work well together.

The members of the team just didn't mesh. 团队成员间根本没有互相配合。

I need a job that meshes with my family life, as I have two little kids. 我需要一个能配合我的生活的工作，因为我有两个孩子要照顾。

to join together in the correct position

The car's gears aren't meshing correctly. 汽车的齿轮没有啮合好。