Hypertext Webster Gateway: "keelfat"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
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