What is the meaning of Bulldozer?

A tractor with caterpillar tracks and an attached blade for pushing earth and building debris for coarse preliminary surface grading, demolishing building structures, etc.

One who bulldozes.

A member of a self-identified group of white US Southerners who colluded to influence outcomes of post-Reconstruction elections by intimidating, coercing and bullying black voters and legislators, including burning down houses and churches, flogging and murdering opponents.

A bully; an overbearing individual.

To bulldoze (demolish with a bulldozer).

To bulldoze (push through forcefully).

a bulldozer (crawler tractor with an attached blade)

bulldozer

bulldozer

a bulldozer

Source: wiktionary.org