moldboard

noun

mold·​board ˈmōl(d)-ˌbȯrd 

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

Examples of moldboard in a Sentence

Recent Examples on the Web

Sarah explained that as pre-tractor farmers plowed, the moldboard pushed earth to one side, building up the ridge at the expense of the furrow. — Literary Hub, 19 Feb. 2026

Word History

First Known Use

1508, in the meaning defined at sense 1

Rhymes for moldboard

• abhorred
• aboard
• accord
• adored
• afford
• award
• baseboard
• billboard
• blackboard
• boxboard
• breadboard
• broadsword