From The Collaborative International Dictionary of English v.0.48 [gcide]:
chemist's \chemist's\ n.
a retail shop where medicine and other articles are sold; a
drugstore. [British]
Syn: drugstore, apothecary's shop, chemist's shop,
dispensary, pharmacy.
[WordNet 1.5]
From WordNet (r) 3.0 (2006) [wn]:
chemist's
n 1: a retail shop where medicine and other articles are sold
[syn: drugstore, apothecary's shop, chemist's,
chemist's shop, pharmacy]