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A mechanical excavator whose bucket is attached by a hinge to a two-part arm and is drawn backward to the machine when in operation.
1. (Civil Engineering) a mechanical excavator with an extension consisting of a bucket on an extending arm, which can be used to scoop up earth as it is drawn back towards the machine
2. (Civil Engineering) the extending arm and bucket of this type of excavator
(Civil Engineering) to dig with a backhoe
an excavating machine with a bucket attached to a hinged boom that digs by being drawn toward the machine.