moldboard

2 ENTRIES FOUND:

mold·board

noun \ˈmōl(d)-ˌbrd\

Definition of MOLDBOARD

1
:  a curved iron plate attached above a plowshare to lift and turn the soil
2
:  a blade on a machine (as a bulldozer) that pushes material to one side as the machine advances

First Known Use of MOLDBOARD

1508

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