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bulldozer"person who intimidates by violence," 1876, agent noun from bulldoze (q.v.). Meaning extended to ground-clearing caterpillar tractor in 1930.
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bulldozervehicle used for moving large obstacles, such as boulders or trees.
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bulldozera powerful tractor used for shifting large loads of earth, sand or rubbish
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bulldozer(n) large powerful tractor; a large blade in front flattens areas of ground
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bulldozerA tractor usually on crawler tracks, with a wide blade, the moldboard, mounted in front of it, at right angles to the tracks. The moldboard is adjustable in height, angle and tilt. It normally moves material by pushing.
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bulldozer
A tractor with an attached blade for pushing earth and building debris for coarse preliminary surface grading, demolishing building structures, etc.
One who bulldozes.
(chiefly,in the plural) A [..]
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