WordNet
rotor shaft
n. the axis around which the major rotor of a helicopter turns [syn: rotor head]
Usage examples of "rotor shaft".
Three of the lines caught and wrapped around the rotor shaft before the tired old material gave way and shredded.
The Hip's five-bladed rotor lifted up off the helicopter's rotor shaft and cart-wheeled through the air.
One more pass, and the casing would fit the larger rotor shaft with adequate clearance, probably more than adequate clearance.