noun. A compartment on a European passenger train equipped with four to six berths for sleeping.

noun. A sleeping berth in one of these compartments.

noun. A compartment on a passenger train having berths for sleeping.

noun. A berth in such a compartment.

noun. a compartment on a European passenger train; contains 4 to 6 berths for sleeping

"If you're in Scandinavia, try booking a sleeping berth - called a "couchette" - on a night train for a reasonable $30 to $50."

compartment  

Annette  Antoinette  Bernadette  Bizet  Bret