They live in a 'bedroom community' [=('Brit') 'dormitory town'] just outside of the city.
a large 'master bedroom' [=a large bedroom that is the main bedroom in a house]
The play is a 'bedroom' farce about a middle-aged couple.
(..) Now, boys, all together! Dr. Meade... ...l'm astonished at you! Oh, Ashley! How can you do this to me? I ain't so very drunk, Melly. Take him into the bedroom and lay him out on the bed as usual. Don't touch him, he's under arrest! Now, Tom. What do you want to arrest him for? (..)1939 Gone with the Wind