Real Dictionary

bunk
countable noun: A bunk is a bed that is fixed to a wall, especially in a ship or caravan.
uncountable noun: If you describe something as bunk, you think that it is foolish or untrue.

bunk in American English 1
bunkum
intransitive verb: to occupy a bunk or any sleeping quarters
noun: a built-in platform bed, as on a ship
transitive verb: to provide with a place to sleep

bunk in American English 2
a shelflike bed or berth built into or against a wall, as in a ship
to provide a sleeping place for
to sleep in a bunk
noun: humbug; nonsense

bunk in American English 3
a hasty departure, as to evade detection
to bump
to leave in haste; flee

bunk in American English 4
intransitive verb: to run off or away; flee
noun
transitive verb: to absent oneself from

bunk in British English 1
noun: a narrow shelflike bed fixed along a wall
verb: to prepare to sleep

bunk in British English 2
noun

bunk in British English 3
noun: a hurried departure, usually under suspicious circumstances (esp in the phrase do a bunk)
verb: to play truant from (school, work, etc)