bunk bed
US /ˈbʌŋk bed/
UK /ˈbʌŋk bed/

1.
lit superposé
a bed in which the framework of one bed is stacked directly above that of another
:
•
The children love sleeping on the bunk bed.
Les enfants adorent dormir dans le lit superposé.
•
We need to assemble the new bunk bed this weekend.
Nous devons assembler le nouveau lit superposé ce week-end.