bunk

Short definition from Wiktionary

Noun

1. 1
   One of a series of berths or beds placed in tiers.
2. 2
   A built-in bed on board ship, often erected in tiers one above the other.
3. 3
   A cot.
4. 4
   A wooden case or box, which serves for a seat in the daytime and for a bed at night.
5. 5
   A piece of wood placed on a lumberman's sled to sustain the end of heavy timbers.
6. 6
   A dormitory or bunkroom where soldiers sleep.
7. 7
   Bunkum; senseless talk, nonsense.
8. 8
   In early use often in the form the bunk.
9. 9
   A specimen of a recreational drug with insufficient active ingredient.

Verb

1. 1
   To occupy a bunk.
2. 2
   To provide a bunk.
3. 3
   To fail to attend school or work without permission; to play truant (usually as in 'to bunk off').
4. 4
   To expel from a school.
5. 5
   To depart; scram.

Adjective

1. 1
   Defective, broken, not functioning properly.

Proper noun

1. 1
   A surname.