[noun] [C]A smoker is someone who smokes tobacco regularly.Although the number of cigarette smokers is falling in the West, it is rising in industrializing countries.Do many ex-smokers start smoking again?Chris is a heavy smoker (= smokes a lot).Non-smokers are less likely to contract lung cancer than smokers.Why are so few women pipe smokers?(dated) A smoker is also a train carriage in which people are allowed to smoke tobacco.There's a couple of empty seats in a smoker at the other end of the train.
SMOKER
Meaning of SMOKER in English
Cambridge English vocab. Кембриджский английский словарь. 2012