smoking

US /ˈsmoʊ.kɪŋ/
UK /ˈsmoʊ.kɪŋ/
"smoking" picture
1.

the action or habit of inhaling and exhaling the smoke of tobacco or a drug

:
Smoking is prohibited in this building.
He quit smoking last year.
1.

emitting smoke or visible vapor

:
The chimney was smoking heavily.
The engine started smoking after a few miles.
1.

present participle of smoke

:
He was caught smoking in the non-smoking area.
The fire was still smoking hours later.