From Longman Dictionary of Contemporary Englishbunkhousebunk‧house /ˈbʌŋkhaʊs/ noun [countable]  TBBSLEEPa building where workers sleep
                                                    
                                                Examples from the Corpus
bunkhouse• Q I have been trying with little success to get hold of a list of camping barn and bunkhouse type accommodations.• But workers were paid low wages, lived mostly in overcrowded bunkhouses and were subjected to daily body searches and internal scans. 
