In machining, woodworking, etc., the raw material or partially finished piece that is shaped by performing various operations(noun)
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Use "workpiece" in a sentence
"The interface between the BionicTripod and the workpiece is effected by an adaptive grasping device, the FinGripper, which holds the workpiece, e.g. a light bulb, just like a hand."
"The workpiece is shortly quenched after having been hardened so that only outer layer is cold."
"Obviously because the tool will pass outside the bounds of the workpiece, I need to make sure the workpiece is clamped so that the mill doesn’t mill out the clamp!"