1. A compartment on a European passenger train; contains 4 to 6 berths for sleeping
   "They booked a couchette for the overnight train journey across Europe"
    
2. A sleeping berth in a couchette compartment
   "They reserved a couchette for the overnight train journey"

Derived forms: couchettes

Type of: berth, built in bed, bunk, compartment

Part of: passenger train

Encyclopedia: Couchette