Pronunciation: (mō'tur-sī"kul), [key]
—n., v., -cled, -cling.
a motor vehicle similar to a bicycle but usually larger and heavier, chiefly for one rider but sometimes having two saddles or an attached sidecar for passengers.
to ride on or operate a motorcycle.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.