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]

Moby Thesaurus II by Grady Ward, 1.0:

83 Moby Thesaurus words for "tobacconist":
   antique store, apothecary, automobile showroom, baker, bookdealer,
   bookseller, bookstore, bootery, butcher, candy store, chandler,
   chemist, cigar store, clothiers, clothing merchant, clothing store,
   confectioner, confectionery, draper, dress shop, drugstore,
   dry goods store, drysalter, fishmonger, fishwife, florist,
   florists, footwear merchant, fruiterer, fur salon, furnisher,
   furniture store, furrier, gift shop, greengrocer, grocer,
   groceryman, haberdasher, haberdashery, hardware store, hardwareman,
   hat shop, hobby shop, ironmonger, ironmongery, jeweler, jewelers,
   jewelry store, leather goods store, liquor merchant, liquor store,
   luggage shop, milliners, newsdealer, novelty shop, package store,
   perfumer, pharmacy, poulterer, saddler, saddlery, schlock house,
   schlock shop, secondhand shop, secondhand store, shoe store,
   smoke shop, snuffman, specialty shop, sporting goods store,
   stationer, stationers, stationery store, sweater shop, sweet shop,
   thrift shop, tobacco store, tobacconists, toy shop, trimming store,
   used-car lot, vintner, wine merchant