disk harrow
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Related to disk harrow: disk plow
disk harrow
or disc harrown.
A harrow equipped with a series of sharp metal disks set on edge or at an angle on one or more axles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Disk Harrow
The basic design used a series of slightly cupped metal disks mounted a few inches from each other on a common axle. Until the end of the horse-drawn disk, axle bearings were made of an oil-soaked tough wood such as maple. Without precision dust seals, such bearings lasted much better in harsh and gritty work conditions than the metallic varieties.
1001 Words and Phrases You Never Knew You Didn’t Know by W.R. Runyan Copyright © 2011 by W.R. Runyan
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Noun 1. [画像:Disk Harrow - a harrow with a series of disks set on edge at an angle]disk harrow - a harrow with a series of disks set on edge at an angle
harrow - a cultivator that pulverizes or smooths the soil
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