moldboard

[ mohld-bawrd, -bohrd ]

noun

1. the curved metal plate in a plow that turns over the earth from the furrow.
2. a large blade mounted on the front of a bulldozer to push loose earth.
3. a board forming one side or surface of a mold for concrete.

moldboard

/ ˈməʊldˌbɔːd /

noun

1. the US spelling of mouldboard

Word History and Origins

Origin of moldboard¹

1300–50; replacing earlier moldbred, Middle English mold bred. See mold ³ moldboard ( fordefs 1, 2 ), mold ¹ moldboard ( fordef 3 ), board

Example Sentences

The design of the moldboard plow is so obvious that it seems incredible that Europeans never thought of it.

From Literature

He documented the democratizing effect of the close-order military drill, the moldboard plow's transformation of agriculture, the impact of potato farming.

From US News

The walking moldboard plow, a 300-pound curving steel blade, cut through the soil and sent it curling over itself in dark, crumbly waves.

From New York Times

Devine had told her of the trouble they had encountered: how the soft soil clogged the moldboards, and the wheels sank, and the coulters crashed against patches of unthawed ground.

From Project Gutenberg

I'se plowed many times with a moldboard plow with an iron share on it.

From Project Gutenberg