mill

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A building equipped with machinery for grinding grain into flour or meal.
• noun A device or mechanism that grinds grain.
• noun A building or farm equipped with machinery that presses or grinds fruit to extract the juice.
• noun A device or machine used to extract juice from fruit.
• noun A machine or device that reduces a solid or coarse substance into pulp or minute grains by crushing, grinding, or pressing.
• noun A building or group of buildings equipped with machinery for processing raw materials into finished or industrial products.
• noun A machine, such as one for stamping coins, that produces something by the repetition of a simple process.
• noun A steel roller bearing a raised design, used for making a die or a printing plate by pressure.
• noun Any of various machines for shaping, cutting, polishing, or dressing metal surfaces.
• noun A process, agency, or institution that operates in a mechanical way or turns out products in the manner of a factory.
• noun A business that breeds and sells animals, such as purebred puppies, often in substandard conditions. Often used in combination.
• noun A difficult or laborious series of experiences.
• intransitive verb To grind, pulverize, or break down into smaller particles in a mill.
• intransitive verb To produce or process mechanically in a mill.
• intransitive verb To cut, shape, or finish in a mill or with a milling tool.
• intransitive verb To produce a ridge around the edge of (a coin).
• intransitive verb To groove or flute the rim of (a coin or other metal object).
• intransitive verb Western US To cause (cattle) to move in a circle or tightening spiral in order to stop a stampede.
• intransitive verb To move around in churning confusion.
• intransitive verb Slang To fight with the fists; box.
• intransitive verb To undergo milling.
• noun A unit of currency equal to ¹/₁₀₀₀ of a US dollar or ¹/₁₀ of a cent.

from The Century Dictionary.

• noun In leather manufacturing, an arrangement consisting of one or two large stone rollers which revolve vertically in a pit.
• noun The raised or ridged edge or flange made in milling, stamping, rolling, or pressing anything, as a coin or a screw.
• noun The entire plant for producing merchant bars and shapes, including the buildings, boilers, engines, mills, and accessories.
• noun A mechanical device for grinding grain for food.
• noun A machine for grinding or pulverizing any solid substance.
• noun A machine which transforms raw material by a process other than grinding into forms fit for uses to which the raw material is unfitted.
• noun A machine which does its work by rotary motion, especially a lapidary wheel.
• noun A treadmill.
• noun A building in which grinding is done: often in composition: as, a flour-mill, water-mill, windmill, etc.
• noun In metal., any establishment in which metalliferous ores are treated in the moist way, as by stamping and amalgamating, by grinding in pans, or by similar methods.
• noun In calico-printing or bank-note engraving, a soft steel roller which receives under great pressure an impressed design in relief from a hardened steel engraved roll or die, and which is used in turn, after being hardened, to impart the design in intaglio to a calico-printing roll or note-printing plate.
• noun A kind of screw-press introduced during the reign of Elizabeth into England from France, and designed to supersede the manufacture of gold coins by the primitive method of striking dies with a hammer.
• noun In mining, a passage or opening left for sending down stuff from the stopes to the level beneath.
• To steal.
• In sugar manufacturing, to pass (sugarcane) through a cane-mill. See sugar-mill.
• To grind in a mill; grind; reduce to fine particles or to small pieces by grinding or other means. See milling.
• To subject to the mechanical operations carried on in a mill, as a saw-mill or planing-mill; shape or finish by machinery.
• To cut (metal) with a milling-tool in a milling-machine.
• To turn or upset the edge of (a coin) so as to produce a marginal ridge or flange on both sides, upon which, when laid flat, the coin rests, thus protecting the design which is inside of the flange from wear, and enabling the coins to lie firmly when piled together one upon another.
• To flute the edge of, as of a coin, or of any flat piece of metal, as the head of a milled screw or the rim of a metal box-cover, to afford a hold for the fingers.
• To tumble (leather) in a hollow revolving cylinder in contact with oil or any ameliorating or tanning liquid, whereby the liquid is worked into all parts of the leather.