/ bʌŋk; NAmE / noun , verb
■ noun
1.
[ C ] a narrow bed that is fixed to a wall, especially on a ship or train
2.
[ C ] (also ˈbunk bed ) one of two beds that are fixed together, one above the other, especially for children
3.
[ U ] ( old-fashioned , informal ) nonsense
SYN bunkum
•
IDIOMS
- do a bunk
■ verb
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PHRASAL VERBS
- bunk off | bunk off school / work
••
WORD ORIGIN
noun senses 1 to 2 mid 18th cent.: of unknown origin; perhaps related to bunker .
verb mid 19th cent.: of unknown origin.
noun sense 3 early 20th cent.: abbreviation of bunkum .