The Collaborative International Dictionary of English v.0.48:

Shebeen \She*been"\, n. [Of Irish origin; cf. Ir. seapa a shop.]
   A low public house; especially, a place where spirits and
   other excisable liquors are illegally and privately sold.
   [Ireland]
   [1913 Webster]

WordNet (r) 3.0 (2006):

shebeen
    n 1: unlicensed drinking establishment