Frequency: The word is one of the 3000 most common words in English.
1.
Smoking is the act or habit of ~ cigarettes, cigars, or a pipe.
Smoking is now banned in many places of work.
...a no-~ area.
N-UNCOUNT
2.
A ~ area is intended for people who want to smoke.
...the decision to scrap ~ compartments on Kent trains.
ADJ: ADJ n
3.
see also smoke , passive ~