wa·gon-lit 
(vä′gôɴ-lē)
(vä′gôɴ-lē)n. pl. wa·gons-lits or wa·gon-lits (vä′gôɴ-lē)
A sleeping car on a European railroad train.
[French : wagon, railroad car (from English WAGON) + lit, bed (from Old French, from Latin lēctus; see legh- in the Appendix of Indo-European roots).]