mower, farm machine used for cutting grasses and other hay crops. Mowers, drawn by or attached to tractors, or self-propelled, have superseded scythes. The mower is essentially an adaptation of the much earlier reaper . The first commercial mower was patented in 1847. Modern tractor mowers are usually described, according to their attachment to the tractor, as trailing, rear-mounted, or side-mounted. Lawn mowers are smaller machines, powered and propelled by hand or by gasoline motors.

See C. Culpin, Farm Machinery (12th ed. 1992).

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