Housing (noun)

1. Buildings or structures for human habitation.
2. The provision of accommodation, especially for low-income families or individuals.
3. The enclosing or protective covering of a machine or device.
4. The action of providing housing for someone or something.

Origin:

Late 15th century (as a noun denoting a dwelling place): from old french housse "covering", from latin habitare "dwell", from habitus "dwelling, state, condition".

Examples:

1. The city is facing a housing crisis.
2. We need more affordable housing in this area.
3. The housing market is in a state of flux.
4. The housing on the gears is worn.
5. The company is responsible for housing its employees.