Definition of strongroom noun from the Oxford Advanced American Dictionary

 

strongroom

 noun
noun
NAmE//ˈstrɔŋrum//
 
, NAmE//ˈstrɔŋrʊm//
 
 
jump to other results
a room, for example in a bank, with thick walls and a strong, solid door, where valuable items are kept
See the Oxford Advanced Learner's Dictionary entry: strongroom