1) Rooms 
A Smoking room (or smoking lounge) is a room which is specifically provided and furnished for smoking, generally in buildings where smoking is otherwise prohibited. Smoking rooms can be found in public buildings such as airports, and in semi-public buildings such as workplaces. Such rooms are equipped with chairs, ashtrays and ventilation, and usu...
[n] - room in a hotel or club set apart for smokers
noun room in a hotel or club set apart for smokers