DCHP-1 Online
bulldozer † 
n. a powerful machine equipped with caterpillar traction and a horizontal steel blade or ram, used for clearing land, building roads, making firebreaks, etc.
See also: 'dozer
- 1930 The principal lines of machinery covered are compressors, bull-dozers, ditchers, dump wagons, fresnos, graders of all kinds, scarifiers, snow plows, locomotives and saw-rigs.
- 1960 Out from the airport flies . . . boilers, bulldozers, Diesel engines, children's toys, crockery, the occasional horse, a piano for a mine-owner's wife, a new wing for a stranded Stinson.
- 1930 The principal lines of machinery covered are compressors, bull-dozers, ditchers, dump wagons, fresnos, graders of all kinds, scarifiers, snow plows, locomotives and saw-rigs.