power shovel

Noun
  1. A machine for excavating (synset 104002774)
    is a type of: machine - any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
    subtypes:
    • backhoe - an excavator whose shovel bucket is attached to a hinged boom and is drawn backward to move earth
    • dredge - a power shovel to remove material from a channel or riverbed
    • steam shovel - a power shovel that is driven by steam
    same as: digger, excavator, shovel

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