The phrase "spacious rooms" refers to a room that has ample space or is large in size. It implies that there is enough room for furniture, movement and other activities without feeling cramped or confined. Spaciousness can be created through the use of high ceilings, open floor plans, and proper layouts. The term "spacious rooms" is often used as a selling point in real estate listings to indicate that there is plenty of space for living, working, and relaxing within the room.