Stateroom (noun)

1. A private room for sleeping on a ship, train, or airplane.
2. A luxurious room on a ship or train.

Origin:

From the middle english word "stater" meaning "state room" and the middle english word "roum" meaning "room".

Examples:

1. The couple was assigned a stateroom with a balcony.
2. He had booked a stateroom for the transatlantic voyage.
3. She was looking forward to a good night's sleep in her stateroom.
4. The ship had several staterooms available for passengers.
5. The train had staterooms for those who wanted to travel in luxury.