smoker

Etymology

From smoke + -er.

noun

1. A person who smokes tobacco habitually.
   Even though I don't smoke, I'm not one of those fanatics you run into. In fact, I love watching cigarette smokers in their sad little sealed-off areas, sucking away, deep lines in their faces, precancerous lesions taking hold, the posture and body language of petty criminals. You know what you do with these people? Give 'em free cigarettes. Let 'em smoke. Offer them a light! 1997, George Carlin, Brain Droppings, New York: Hyperion Books, →LCCN, →OCLC, →OL, page 47
2. A smoking car on a train.
3. (informal, dated) An informal social gathering for men only, at which smoking tobacco is allowed.
   Strand Magazine That evening A Company had a "smoker" in one of the disused huts of Shorncliffe Camp.
   Yes we're gonna have a wingding / A summer smoker underground 1982, Donald Fagen (lyrics and music), “New Frontier”, in The Nightfly
4. (informal, dated, UK, Cambridge University) A social event featuring sketches, songs, etc., whether or not smoking is carried out.
   All grins and tuxes at some charity smoker in a city-centre hotel. 2022, Liam McIlvanney, The Heretic, page 129
5. A vent in the deep ocean floor from which a plume of superheated seawater, rich in minerals, erupts.
6. (slang) An illicit boxing match; see Wikipedia:Battle Royal (boxing).
7. A device that releases smoke intended to distract bees; a bee smoker.
8. A person or an apparatus that smokes food.
9. (slang) A two-stroke engine.
10. (slang, by extension) Any vehicle with a two-stroke engine, especially a motorcycle, as opposed to a four-stroke motorcycle or stroker.
11. (baseball, informal) A fastball.
12. (slang) Synonym of stag film