The Collaborative International Dictionary of English v.0.48:

Tobacconist \To*bac"co*nist\, n.
   1. A dealer in tobacco; also, a manufacturer of tobacco.
      [1913 Webster]

   2. A smoker of tobacco. [Obs.] --Sylvester.
      [1913 Webster]

WordNet (r) 3.0 (2006):

tobacconist
    n 1: a retail dealer in tobacco and tobacco-related articles
    2: a shop that sells pipes and pipe tobacco and cigars and
       cigarettes [syn: tobacco shop, tobacconist shop,
       tobacconist]