The Collaborative International Dictionary
Wrecking pump
Wrecking \Wreck"ing\, a. & n. from Wreck, v.
Wrecking car (Railway), a car fitted up with apparatus and implements for removing the wreck occasioned by an accident, as by a collision.
Wrecking pump, a pump especially adapted for pumping water from the hull of a wrecked vessel.
Wiktionary
wrecking pump
n. A pump especially adapted for pumping water from the hull of a wrecked vessel.