Definition of "winnowing-machine" [winnowing-machine]

• A machine for cleaning grain by the action of riddles and sieves and an air-blast; a fanning-machine or fanning-mill. See cut under fanning-mill. (noun)

The Century Dictionary (Public Domain)

• "On most farms, he sows the seed in spring, superintends the field-workers in summer, tends the harvest-field and builds the stacks in autumn, and thrashes the corn with the mill, and cleans it with the winnowing-machine in winter."
• "We meet in the Chinese section with the original of our fanning-mill or winnowing-machine for grain."
• "In one of the barns a winnowing-machine was working, sending out clouds of dust."