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harrow

har·row / ˈharō/ • n. an implement consisting of a heavy frame set with teeth or tines that is dragged over plowed land to break up clods, remove weeds, and cover seed. • v. [tr.] 1. draw a harrow over (land). 2. cause distress to: Todd could take it, whereas I'm harrowed by it | [as adj.] (harrowing) a harrowing film about racism and violence. DERIVATIVES: har·row·er n. har·row·ing·ly adv.

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Harrow (borough, Greater London, England)

Harrow, outer borough (1991 pop. 194,300) of Greater London, SE England. For centuries Harrow grew foodstuffs for London. It is mainly residential and contains parts of the Green Belt, areas set aside as parkland. Optical and photographic goods and glass are manufactured. The famous Harrow public school, founded in 1571, is in the borough. Among its graduates were the writers George Byron and John Galsworthy and the statesmen Sir Robert Peel and Henry Palmerston.

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harrow (in agriculture)

harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize the clods of earth and level the soil. Harrows are also used to uproot weeds, aerate the soil, and cover seeds. Primitive harrows were twiggy branches drawn over the soil to smooth it; in India a ladderlike device of bamboo is still used. In modern large-scale farming, harrows are of varied types. Some are simply dragged behind a tractor or draft animal; some are suspended on wheels; many have levers to adjust the depth of the cut. There may be one or more gangs (sets) of cutting parts per harrow, and one or more harrows may be drawn at a time. In disk harrows, which next to the plow are the most widely used tillage implements, the saucer-shaped disks are set at angles to the line of pull for maximum pulverization. Spike-tooth harrows have rigid teeth, and spring-tooth harrows have curved tines that adjust to obstacles. The rotary crossharrow has power-driven rotating toothed disks; another type of harrow slices through topsoil and vegetation with curved knives. In general, the harrow is similar to the cultivator, except that it penetrates the soil to a lesser depth.

See M. Partridge, Farm Tools through the Ages (1973); C. Culpin, Farm Machinery (11th ed. 1986).

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harrow

harrow2 toothed timber-frame dragged over ploughed land to clean it. XIII. — ON. *harwjan-, prehistoric form of herfi, rel. obscurely to MLG., MDu. harke (Du. hark) rake.
Hence harrow vb. XIII; fig. lacerate the feelings of XVII.

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harrow

harrow1 (arch.) rob, despoil (esp. harrow hell). XIII. ME. harwe, herwe, var. of herie HARRY.

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harrow

harrowarrow, barrow, farrow, harrow, Jarrow, marrow, narrow, sparrow, taro, tarot, Varro, yarrow •gabbro • Avogadro • Afro • aggro •macro • cilantro • Castro •wheelbarrow •Faro, Kilimanjaro, Pissarro, Pizarro, Tupamaro •Pedro • allegro • hedgerow • velcro •escrow •metro, retro •electro • Jethro •bolero, caballero, dinero, Faeroe, pharaoh, ranchero, sombrero, torero •scarecrow • Ebro •Montenegro, Negro •repro • in vitroPyrrho • synchro •windrow • impro • intro • bistro •Babygro • McEnroe •biro, Cairo, giro, gyro, tyro •fibro • micro • maestro •borrow, Corot, morrow, sorrow, tomorrow •cockcrow • cointreau •Moro, Sapporo, Thoreau •Mindoro • Yamoussoukro •Woodrow •burro, burrow, furrow •upthrow •De Niro, hero, Nero, Pierrot, Pinero, Rio de Janeiro, sub-zero, zero •bureau, chiaroscuro, Douro, enduro, euro, Ishiguro, Oruro, Truro •Politburo • guacharo • Diderot •vigoro • Prospero • Cicero • in utero •Devereux • Jivaro • overthrow

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