Source : Webster's Revised Unabridged Dictionary (1913)

Seepage \Seep"age\, or Sipage \Sip"age\, n.
   Water that seeped or oozed through a porous soil. [Scot. & U.
   S.]

Sipage \Sip"age\, n.
   See {Seepage}. [Scot. & U.S.]