Learn how to say Bunks correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word bunk:
a narrow shelf-like bed, typically one of two or more arranged one on top of the other.
[no object] chiefly North American
sleep in a bunk or improvised bed, typically in shared quarters:
they bunk together in the dormitory
mid 18th century: of unknown origin; perhaps related to bunker