bulldozer

[ boo l-doh-zer ]
/ ˈbʊlˌdoʊ zər /

noun

a large, powerful tractor having a vertical blade at the front end for moving earth, tree stumps, rocks, etc.
a person who intimidates or coerces.

Origin of bulldozer

1875–80, Americanism; 1925–30 in the sense “tractor”; origin uncertain. See bulldoze
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for bulldozer

bulldozer

/ (ˈbʊlˌdəʊzə) /

noun

a powerful tractor fitted with caterpillar tracks and a blade at the front, used for moving earth, rocks, etc
informal a person who bulldozes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012