plural of oil mill

A windmill of which only the cap turns round to meet the wind. It is different from a post mill, whose whole building turns on a post.

A process of making flour from grain by several successive grindings and intermediate sorting, instead of by a single grinding.

A grinder or molar tooth.

(US dialectal, historical) A kind of rice mill.

(historical) A rod by which a millstone was trundled from the quarry to the mill.

(pottery) A mill in which flints are ground.

(ironworking) A rough bar rolled or drawn directly from a bloom or puddle bar for conversion into merchant iron in the mill.

slag from a puddling furnace

A process of making flour from grain by a single grinding and by siftings.