bulldozer

from WordNet (r) 3.0 (2006)
bulldozer
    n 1: large powerful tractor; a large blade in front flattens
         areas of ground [syn: {bulldozer}, {dozer}]
    
from The Collaborative International Dictionary of English v.0.48
Bulldozer \Bull"do`zer\, n.
   One who bulldozes. [Slang]
   [1913 Webster]
   [1913 Webster]
    

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