nest

A structure or shelter made or used by a bird to hold its eggs during incubation and to house its young until fledged.

A structure or shelter in which other animals, such as reptiles, fish, or insects, deposit their eggs or tend their young.

A structure or complex built by ants, termites, or other social animals to house a colony.

A number of insects, birds, or other animals occupying a nest.

A place affording snug refuge or lodging; a home.

A place or environment that fosters rapid growth or development, especially of something undesirable; a hotbed.

Those who occupy or frequent such a place or environment.