fanning mill

American  

noun

Agriculture.

1. a machine for winnowing grain by the action of riddles and sieves and an air blast.

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Etymology

Origin of fanning mill

First recorded in 1740–50

Example Sentences

Feeds known to be dirty should be run through a fanning mill before feeding.

From Common Diseases of Farm Animals by Craig, R. A., D. V. M.

Finally, all foreign matter is removed by screening and hollow seed blown out by passing it through an ordinary fanning mill.

From Practical Forestry in the Pacific Northwest Protecting Existing Forests and Growing New Ones, from the Standpoint of the Public and That of the Lumberman, with an Outline of Technical Methods by Allen, Edward Tyson

A more perfect cleaning afterwards could be secured with a grain fanning mill or a simple sieve of the right mesh.

From One Thousand Questions in California Agriculture Answered by Wickson, Edward J. (Edward James)

It is turned by a crank, like a fanning mill.

From Soil Culture by Walden, J. H.

They are then run through a fanning mill which cleans them, and they are finally graded by passing through screens having openings of different sizes.

From How We are Fed A Geographical Reader by Chamberlain, James Franklin