The Collaborative International Dictionary of English v.0.48:

Dispensary \Dis*pen"sa*ry\, n.; pl. Dispensaries. [Cf. F.
   dispensaire.]
   1. A place where medicines are prepared and dispensed; esp.,
      a place where the poor can obtain medical advice and
      medicines gratuitously or at a nominal price.
      [1913 Webster]

   2. A dispensatory. --Pope.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dispensary
    n 1: clinic where medicine and medical supplies are dispensed

Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "dispensary":
   X ray, blood bank, charity ward, chemist, clinic,
   consultation room, delivery room, dispensatory, drugstore,
   emergency, examining room, fever ward, hospital room,
   intensive care, isolation, labor room, laboratory, maternity ward,
   nursery, operating room, pharmacy, prison ward, private room,
   recovery room, semi-private room, surgery, therapy, treatment room,
   ward