Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Mil. a group of officers who assist the commander of a high unit in planning, coordinating, and supervising operations
Used by arrangement with John Wiley & Sons, Inc.
noun Abbr. GSThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A group of military officers charged with assisting the commander of a division or higher unit in planning, coordinating, and supervising operations.