chief petty officer

== English == === Noun === chief petty officer (plural chief petty officers) (Canada, Navy) A warrant officer belonging to one of the two classes of chief petty officer: chief petty officer first class and chief petty officer second class. (UK, Navy) A non-commissioned officer in the Royal Navy, ranking above petty officer and below warrant officer class 2. (US, Navy) A non-commissioned officer in the United States Navy and United States Coast Guard, ranking above petty officer first class and below senior chief petty officer. ==== Synonyms ==== CPO (abbreviation) ==== Derived terms ==== senior chief petty officer master chief petty officer ==== Related terms ==== petty officer (PO)