The Collaborative International Dictionary of English v.0.48:

Outpour \Out*pour"\, v. t.
   To pour out. --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

outpour \out"pour`\, n.
   1. A flowing out; a free discharge.
      [1913 Webster]

   2. An effusion (of sentiment or emotion; outpouring.
      [PJC]