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mouldboard

British  
/ ˈməʊldˌbɔːd /

noun

  1. the curved blade of a plough, which turns over the furrow

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The degree to which the mouldboard pulverizes depends on the steepness of its slant upward and the abruptness of its curve sidewise.

From The First Book of Farming by Goodrich, Charles Landon

A steep, abrupt mouldboard is adapted to light soils and to the heavier soils when they are comparatively dry.

From The First Book of Farming by Goodrich, Charles Landon

I's watch grandpap take de hard wood block and with de ax and de drawshave and de plane and saw and rule, him cut and fit de mouldboard to de turnin' plow.

From Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves: Volume XVI, Texas Narratives, Part 3 by United States. Work Projects Administration

They might prefer, as indeed might others who would like to see their green manure nearer the top of the soil, to disk in the green crop rather than bury it deeply with mouldboard plows.

From Northern Nut Growers Association Thirty-Fourth Annual Report 1943 by Northern Nut Growers Association

For breaking new land a plow with a long, gradually sloping share and mouldboard is used.

From The First Book of Farming by Goodrich, Charles Landon