milling : Idioms & Phrases

• milling in which grain is reduced to flour by a succession of crackings, or of slight and partial crushings, alternately with sifting and sorting the product.
• a process of making flour from grain by several successive grindings and intermediate sorting, instead of by a single grinding.

Webster 1913

• milling in which the reduction is effected in a single crushing or grinding.
• a process of making flour from grain by a single grinding and by siftings.

Webster 1913

• a fluted, sharp-edged rotary cutter for dressing surfaces, as of metal, of various shapes.

Webster 1913

• noun machine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it
  miller.
  

WordNet

• a machine tool for dressing surfaces by rotary cutters.

Webster 1913

• a roller with indented edge or surface, for producing like indentations in metal by rolling pressure, as in turning; a knurling tool; a milling cutter.

Webster 1913