moldboard

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noun mold·board \ˈmōl(d)-ˌbȯrd\

Definition of moldboard

  1. 1 :  a curved iron plate attached above a plowshare to lift and turn the soil

  2. 2 :  a blade on a machine (such as a bulldozer) that pushes material to one side as the machine advances

1508

First Known Use of moldboard

1508


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