Definition that contains senior officer
- aide an officer who acts as military assistant to a more senior officer
- adjutant an officer who acts as military assistant to a more senior officer
- aide-de-camp an officer who acts as military assistant to a more senior officer
- supreme headquarters the highest leaders in an organization (e.g. the commander-in-chief and senior officers of the military)
- chief of staff the senior officer of a service of the armed forces
- general staff military officers assigned to assist a senior officer in planning military policy
- high command the highest leaders in an organization (e.g. the commander-in-chief and senior officers of the military)