Dictionary
re•volv•ing
Pronunciation: (ri-vol'ving), [key]—
adj.
1. that revolves:
a revolving table top.
2. Mach.noting or pertaining to a radial engine whose cylinders revolve around a stationary crankshaft, as the engine of a helicopter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.