noun
the senior officer of a service of the armed forces
• Topics: ↑military, ↑armed forces, ↑armed services, ↑military machine, ↑war machine
• Hypernyms: ↑military officer, ↑officer
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chief of staff,
the senior officer of the staff of a general or admiral.
Chief of Staff,
the senior officer of the Army or Air Force of the United States.
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n. the senior staff officer of a service or command
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noun, pl chiefs of staff [count]
1 : a person of high rank in the U.S. Army, Navy, Air Force, or Marines who advises the person in charge of military operations — see also
2 : a person of high rank who advises a leader (such as the U.S. President) on important matters
the White House Chief of Staff
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an officer of very high rank, responsible for advising the person who commands each of the armed forces
see also ↑Joint Chiefs of Staff
Useful english dictionary. 2012.