Wiktionary
prop shaft
n. propeller shaft; driveshaft.
Usage examples of "prop shaft".
He serviced engines and deck gear, and as luck would have it one of the boats he was working on at the moment was an oil rig supply vessel in for emergency replacement of a fractured prop shaft.
But dat uses fuel, too, so dere's anudder generator dat works trough a clutch off da prop shaft, to give us juice like durin a storm or sometin.