'Gristmill' definitions:
Definition of 'gristmill'
From: WordNet
noun
A mill for grinding grain (especially the customer's own grain)
Definition of 'Gristmill'
From: GCIDE
- 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. [1913 Webster]