The Collaborative International Dictionary of English v.0.48:

Hydropic \Hy*drop"ic\, Hydropical \Hy*drop"ic*al\, a. [L.
   hydropicus, Gr. ?: cf. F. hydropique. See Dropsy.]
   Dropsical, or resembling dropsy.
   [1913 Webster]

         Every lust is a kind of hydropic distemper, and the
         more we drink the more we shall thirst.  --Tillotson.
   [1913 Webster]