Douglas Harper's Etymology Dictionary
Usage examples of "pile-driver".
It was therefore necessary to fix piles in the bed of the river so as to sustain the floor of the bridge and establish a pile-driver to act on the tops of these piles, which would thus form two arches and allow the bridge to support heavy loads.
His long left arm uncoupled like the loosening of the weight of a pile-driver.
You'd have required a pile-driver in top condition to get a cigarette card between us.