état major noun1 •The staff of an army, including all officers above the rank of colonel, all adjutants, inspectors, quartermasters, commissaries, engineers, ordnance officers, paymasters, physicians, signal officers, and judge advocates, and their noncommissioned assistants.An officer from the dragoons and an officer from the chasseurs joined the état major and were used by the General to take orders to their respective regimental commanders. — 1914 formsétats major