moldboard

noun

mold·​board ˈmōl(d)-ˌbȯrd How to pronounce moldboard (audio)
1
: a curved iron plate attached above a plowshare to lift and turn the soil
2
: a blade on a machine (such as a bulldozer) that pushes material to one side as the machine advances

Word History

First Known Use

1508, in the meaning defined at sense 1

Time Traveler
The first known use of moldboard was in 1508

Dictionary Entries Near moldboard

Cite this Entry

“Moldboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moldboard. Accessed 29 Mar. 2023.

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