moldboard
(mōld′bôrd′)
noun
- a curved plate of iron attached to a plowshare, for turning over the soil
- ☆ a plate like this at the front of a bulldozer or snowplow, angled to push material aside
- one of the boards used in making a mold for concrete
Origin:
mold & board
See moldboard in American Heritage Dictionary 4
noun The curved plate of a plow that turns over the soil.
Origin:
Origin: mold3
Origin: + board
.