change ringing definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the act of ringing a series of different changes on a set of bells tuned together
change ringing definition by American Heritage Dictionary
The ringing of a set of chimes or bells, especially in a belltower, with every possible unrepeated variation.