chief of staff
chief of staff 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 head member of the staff officers of a division or higher unit in the armed forces, or of the Departments of the Army or Air Force
- the head of any staff; esp., the head of the physicians and surgeons of a hospital
chief of staff definition by American Heritage Dictionary
noun pl. chiefs of staff Abbr. C. of S. or CS
- The ranking officer of the U.S. Army or Air Force, responsible to the secretary of his or her branch and to the President.
- The senior military staff officer at the division level or higher.