A "mill" refers to a machine or building used for grinding, crushing, or processing grains, ores, or other materials into smaller pieces or powder. It can also represent a unit of currency equal to a thousandth of a dollar. Full definition
She estimates that licensed premises may account for only half the number of puppy mills in the state. (economist.com)
While we are not a traditional rescue, we assist nonprofit organizations by facilitating the rescue of mill dogs and providing funding to aid in their vetting and care. (thepuppymillproject.org)
The hardware has been in the rumor mill for more than a year now. (ibtimes.com)