gristmill

n. flour mill, mill which grinds grain

A gristmill is a building where grain is ground into flour. In many countries these are referred to as corn mills or flour mills.
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Noun
1. a mill for grinding grain (especially the customer's own grain)
(hypernym) mill, grinder
(part-meronym) millstone

(n.)
A mill for grinding grain; especially, a mill for grinding grists, or portions of grain brought by different customers; a custom mill.
  

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