Keelfat

from The Collaborative International Dictionary of English v.0.48
Keelfat \Keel"fat`\, n. [Keel to cool + fat a large tub, a vat.]
   (Brewing)
   A cooler; a vat for cooling wort, etc. [Written also
   {keelvat}.] --Johnson.
   [1913 Webster]
    

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