Wiktionary
a. Spanning, or comprising, more than one room.
Usage examples of "multiroom".
There were a number of very large, multiroom private quarters scattered in the rings, and a lot of large gathering areas.
They consisted of several large, multiroom luxury suites, one of which had been completely refurbished as a large and fully equipped conference room, with communications and comput er consoles as well as furnishings specially designed to accommodate humans.
But other men, higher up in the hierarchy, decided who the workers and peasant were, and they themselves lived in ornate dachas and multiroom flats, and had automobiles and drivers… and privileges.
And listen to this: On a square-footage basis, the income’s close to Beverly Hills, because you’re not talking multiroom apartments, it’s all single rooms.
The small golden huts enlarged into multiroomed mansions of any color of their choice.