smoker

From smoke +‎ -er.

• (US) IPA^(key): /ˈsmoʊkɚ/
• Rhymes: -əʊkə(r)

smoker (plural smokers)

1. A person who smokes tobacco habitually.
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.

4. (informal, dated, Britain, Cambridge University slang) A social event featuring sketches, songs, etc., whether or not smoking is carried out.
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.

• non-smoker

• Tobacco smoking on Wikipedia.Wikipedia
• Hydrothermal vent on Wikipedia.Wikipedia