guard mountUSspecialized
a time when a new person or group starts to be in control of a society, organization, etc. with the result that there are a lot of changes:
His resignation as Secretary of State marks the beginning of a changing of the guard in Washington.
Europe is undergoing its most dramatic changing of the guard in more than a decade.
In the interview he said it was time for change and fresh leadership and that a generational changing of the guard was needed.
There will be two major events in November: the election of a president and the changing of the guard at NBC News.
See alsoguardnoun(PERSON WHO PROTECTS)