An animal powered thresher

Threshing is the process of loosening the edible part of cereal grain (or other crop) from the scaly, inedible chaff that surrounds it. It is the step in grain preparation after harvesting and before winnowing, which separates the loosened chaff from the grain. Threshing does not remove the bran from the grain.

Threshing may be done by beating the grain using a flail on a threshing floor. Another traditional method of threshing is to make donkeys or oxen walk in circles on the grain on a hard surface. A modern version of this in some areas is to spread the grain on the surface of a country road so the grain may be threshed by the wheels of passing vehicles.

However, in developed areas it is now mostly done by machine, usually by a combine harvester, which harvests, threshes, and winnows the grain while it is still in the field.

The cereal may be stored in a threshing barn.

[edit] See also

Look up threshing in Wiktionary, the free dictionary.

• Threshing floor
• Threshing-board
• Threshing machine
• Winnowing

Threshing with hand flails, Great Britain, c. 1750.

Irreler Bauertradition shows threshing by hand - Roscheider Hof, Open Air Museum

Threshing floor -

Ludovic Bassarab's La treierat ("Threshing"), showing peasants in Romanian dress around a combine harvester

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