miller

noun6

1. •
   a person who owns or runs a place with machines that make flour

   • Constable's father, a wealthy miller, operated the mill at Flatford, which still stands 1 mile south of the village. — 1980
2. •
   Any of several moths that have powdery wings, especially Acronicta leporina and moths of the genus Agrotis.
3. •
   (Appalachia, informal) A moth.
4. •
   (old-fashioned) A milling machine.
5. •
   A floury-smelling mushroom, Clitopilus prunulus.
6. •
   (slang, no longer used) A rat.