The Collaborative International Dictionary of English v.0.48:

Zythepsary \Zy*thep"sa*ry\ (z[i^]*th[e^]p"s[.a]*r[u^]), n. [Gr.
   zy^qos a kind of beer + 'e`psein to boil.]
   A brewery. [R.]
   [1913 Webster]