Mesh (noun)

1. A fabric made of interwoven threads, typically used to make a net, a fence, or a sieve.
2. A structure made of a network of wires, threads, or other thin materials.
3. A framework of metal or plastic bars or wires used to support or contain something.

Origin:

Middle english: from old english mǣsce "a net, snare", of germanic origin; related to dutch maas and german masche "mesh".

Examples:

1. The fish was caught in a mesh net.
2. The mesh on the screen door was too fine for the flies to get through.
3. The mesh of the fabric was too tight to see through.
4. The mesh on the helmet protected the rider's head.
5. The mesh of the fence was strong enough to keep the animals in.