connecting room(n = noun.artifact) - a hotel room that shares a wall with an adjoining room and is connected by a private door;
is a kind of hotel room

adjoining room, amber room, baby's room, back room, bedsitting room, billiard room, boiler room, breathing room, chat room, child's room, city room, clean room, common room, conference room, connecting, connecting flight, connecting rod, control room, cutting room, dead room, dining room, dorm room, dormitory room, drawing room, dressing room, elbow room, emergency room, engine room, family room, front room, furnace room, game room, gun room, home room, hospital room, hotel room, ladies' room, laminar flow clean room, lecture room, living room, locker room, lumber room, men's room, morning room, motel room, operating room, powder room, pump room, reading room, rec room, reception room, recovery room, recreation room, rest room, room, room access, room clerk, room decorator, room light, room rate, room temperature, rumpus room, sea room, seating room, sewing room, shipping room, shower room, sitting room, sleeping room, smoking room, squad room, standing room, standing room only, steam room, still room, stock room, storage room, strong room, sweat room, television room, test room, testing room, tv room, waiting room, war room, wash room, white room, wiggle room, withdrawing room