bunk

bunk is a   Noun

Definition:

[1] A wooden case or box, which serves for a seat in the daytime and for a bed at night. [U.S.]

[2] One of a series of berths or bed places in tiers.

[3] A piece of wood placed on a lumberman`s sled to sustain the end of heavy timbers. [Local, U.S.]

Synonyms: