释义 |
moldboard noun or mouldboard \ˈ ̷ ̷ˌ ̷ ̷\ Etymology: mold (I), mould + board 1. a. : a curved iron plate attached above a plowshare that lifts and turns the soil — called also breast board b. : the flat or curved blade (as of a snowplow or bulldozer) that pushes material to one side as the machine advances 2. [mold (III), mould + board] : one of the boards forming a mold for concrete |