bunk

Universal Words noun, verb noun 1 [C] a narrow bed that is fixed to a wall, especially on a ship or train 2 [C] (also bunk bed) one of two beds that are fixed together, one above the other, especially for children 3 [U] (old-fashioned, informal) nonsense IDIOMS do a bunk (BrE, informal) to run away from a place without telling anyone verb PHRASALVERBS bunk off