1. a private room for passengers on a ship or train
Usage: nautical; transportation
2. a large formal room in a palace or official building used for ceremonies
Usage: formal

Examples

• The cruise ship offered luxurious staterooms with ocean views.
• We booked a first-class stateroom on the overnight train.
• The captain invited us to see his private stateroom.
• The palace stateroom was decorated with gold and crystal.
• Dignitaries gathered in the ornate stateroom for the ceremony.
• Our stateroom had twin beds and a small sitting area.
• The presidential stateroom featured antique furniture and paintings.