How to Use "anteroom" with Example Sentences

1. If the 42d street library was heaven , then fourth avenue was its anteroom .
2. The ministers waited for their meeting in the cabinet anteroom .
3. They were waiting in an anteroom for interrogation .
4. If I had seen him this anteroom I would have told him about it .
5. If I had seen him this anteroom , I would have told him about it .