Gossamer and Web

Gossamer noun - A gauze fabric with an extremely fine texture.

Web is a synonym for gossamer in spider web topic. In some cases you can use "Web" instead a noun "Gossamer", when it comes to topics like cobweb.

Web noun - Something that catches and holds.

Gossamer is a synonym for web in tissue topic. You can use "Gossamer" instead a noun "Web", if it concerns topics such as netting, spider web, cobweb.