Source : Webster's Revised Unabridged Dictionary (1913)

Smoker \Smok"er\, n.
   A gathering for smoking and social intercourse. [Colloq.]

         That evening A Company had a ``smoker'' in one of the
         disused huts of Shorncliffe Camp.        --Strand Mag.

Smoker \Smok"er\, n.
   1. One who dries or preserves by smoke.

   2. One who smokes tobacco or the like.

   3. A smoking car or compartment. [U. S.]

Source : WordNet®

smoker
     n 1: a person who smokes tobacco [syn: {tobacco user}] [ant: {nonsmoker}]
     2: a party for men only (or one considered suitable for men
        only) [syn: {stag party}]
     3: a passenger car for passengers who wish to smoke [syn: {smoking
        car}, {smoking carriage}, {smoking compartment}]