general 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.
Mil. a group of officers who assist the commander of a high unit in planning, coordinating, and supervising operations
general staff definition by American Heritage Dictionary
noun Abbr. GS
A group of military officers charged with assisting the commander of a division or higher unit in planning, coordinating, and supervising operations.