master chief petty officermaster chief petty officer
U.S. Navy an enlisted person of the highest grade, ranking just above a senior chief petty officer
master chief petty officer
- The highest noncommissioned rank in the US Navy or Coast Guard.
- One who holds this rank.
(plural master chief petty officers)
- (US, Navy) A non-commissioned officer in the United States Navy and United States Coast Guard, ranking above senior chief petty officer.