plural of mill drill

A mill-like device utilizing an air blast to winnow grain, using riddles and sieves

A machine consisting of two rotating wheels, used by gold miners to break apart rocks.

A mill for crushing or grinding in which stones roll around on their edges on a level circular bed.

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.