The Collaborative International Dictionary of English v.0.48:

druggist \drug"gist\, n. [F. droguiste, fr. drogue. See 3d
   Drug.]
   1. One who deals in drugs; especially, one who buys and sells
      drugs without compounding them; one who owns or operates a
      drugstore.
      [1913 Webster +PJC]

   2. one who compounds drugs or distributes drugs into
      containers for distribution to customers; a pharmacist or
      apothecary.

   Syn: dispensing chemist. [PJC]

   Note: The same person often serves as both pharmacist and
         retail seller of drugs. See the Note under
         Apothecary.
         [1913 Webster]

WordNet (r) 3.0 (2006):

druggist
    n 1: a health professional trained in the art of preparing and
         dispensing drugs [syn: pharmacist, druggist, chemist,
         apothecary, pill pusher, pill roller]