The difference between Bunk and Bunk bed

Bunk as a noun:

One of a series of berths or beds placed in tiers.

Bunk as a noun (nautical):

A built-in bed on board ship, often erected in tiers one above the other.

Bunk as a noun (military):

A cot.

Bunk as a noun (US):

A wooden case or box, which serves for a seat in the daytime and for a bed at night.

Bunk as a noun (US, dialect):

A piece of wood placed on a lumberman's sled to sustain the end of heavy timbers.

Bunk as a verb:

To occupy a bunk.

Bunk as a verb:

To provide a bunk.

Bunk as a noun (slang):

Bunkum; senseless talk, nonsense.

Bunk as an adjective (slang):

defective, broken, not functioning properly

Bunk as a verb (British):

To fail to attend school or work without permission; to play truant (usually as in 'to bunk off').

Bunk as a verb (dated):

To expel from a school.

Bunk bed as a noun:

Two or more beds fixed on top of one another, so that one person can sleep in each bunk at a different height.