noun

1. 1. a building with machinery for grinding grain into flour or meal
   2. the machine for grinding grain
2. 1. a machine for grinding or pulverizing any solid material a coffee mill
   2. a machine for grinding or crushing fruits or vegetables to press out the juice a cider mill
3. 1. any of various machines for stamping, shaping, polishing, or dressing metal surfaces, coins, etc., or for making something by some action done again and again
   2. ☆ Informal an organization, establishment, etc. where things are done, produced, issued, etc. in a routine, rapid, mechanical way a diploma mill, a divorce mill
4. a building or group of buildings with machinery for manufacturing or processing something; factory a textile mill
5. a roller of hardened steel with a raised design on it, for making a die or printing plate by pressure
6. 1. milling cutter
   2. milling machine
7. a raised edge, ridged surface, etc. made by milling

Etymology: ME melle < OE mylen, akin to OHG mulin, ON mylna, all < 4th-c. Gmc borrowing < LL molinae, pl. of molina, mill < LL(Ec) molina, of a mill < L mola, millstone < IE base *mel-, to grind, crush > meal, mild, Ger mahlen, Gr mylē, mill, L mollis, soft, molere, to grind

transitive verb

1. to grind, work, process, form, polish, etc. by, in, or as in a mill
2. to raise and ridge the edge of (a coin), as a safeguard against wear and clipping; knurl
3. Now Rare to beat or whip (chocolate, etc.) to a froth

intransitive verb

noun

Etymology: for L millesimus, thousandth < mille, thousand: cf. cent

noun