The word "nidulariaceae" refers to a specific family of fungi, commonly known as bird's-nest fungi. These fungi are called "bird's-nest" because their fruiting bodies (the part of the fungus that produces spores) look like little nests that can hold small, egg-like structures inside them.
"Nidulariaceae" is a technical term used to refer to a family of fungi known as bird's-nest fungi. It is primarily used in scientific discussions about fungi and their ecological roles.