Hypertext Webster Gateway: "gristmill"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Gristmill \Grist"mill"\, n.
A mill for grinding grain; especially, a mill for grinding
grists, or portions of grain brought by different customers;
a custom mill.
From WordNet (r) 1.7 (wn)
gristmill
n : a mill for grinding grain (especially the customer's own
grain)
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