Select the most appropriate one-word substitution for the given group of words.

A large bedroom for a number of people in an institution

dormitory

The most appropriate one-word substitution for a large bedroom for a number of people in an institution is dormitory.

• Auditorium is a large room used for public gatherings, such as lectures or concerts.
• Apartment is a self-contained unit of living space, typically within a larger building.
• Chamber is a large room used for formal or public events.