chief of staff noun
plural chiefs of staff
plural chiefs of staff
Learner's definition of CHIEF 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(美国海、陆、空军或海军陆战队的)总参谋长 — see also joint chiefs of staff 2
: a person of high rank who advises a leader (such as the U.S. President) on important matters参谋总长