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A scythe is an agricultural hand tool made for cutting grass or harvesting crops.

Historically, it was used to cut down or reap edible grains before the process of threshing.

Although largely replaced by horse-drawn and then tractor machinery, the scythe is still used in some areas of Europe and Asia. Reapers are bladed machines that automate the cutting of the scythe, and sometimes subsequent steps in preparing the grain, straw, or hay.