Meanings

VIP room

vacant room

school nurse

counselling office

opening (e.g. library, museum, etc)

drafting room

semi-private room

tool storage room

equipment room

isolation ward

day room (e.g. on a liner)

control room

observation room (in a hospital, police station, etc.)

sample chamber

computer room

Court of the Star Chamber (England)

recovery room (in a hospital)

returning to one's room (in a hospital; e.g. after surgery)

newborn nursery

shared room (in a hospital)