shovel-bucket

from The Century Dictionary.

• noun In railroad construction and canal- or road-work, a large scooping bucket armed with teeth and used with a steam-shovel or operated by power by means of chains that drag the bucket over or through loose material, causing it to scoop up a load. When filled, the bucket is lifted, swung over a car or to the spoil-bank, tripped and dumped, or dragged to a fill point and there tripped and dumped.