Definition of anteroom noun from the Oxford Advanced American Dictionary

 

anteroom

 noun
noun
NAmE//ˈæntiˌrum//
 
, NAmE//‑ˌrʊm//
 
(formal antechamber)
 
jump to other results
a room where people can wait before entering a larger room, especially in an important public building
See the Oxford Advanced Learner's Dictionary entry: anteroom