A Japanese paring knife.

(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.

plural of chief petty officer

plural of master chief petty officer

plural of senior chief petty officer

(Canada, Navy) A warrant officer in the Canadian Forces Maritime Command, ranking above petty officer second class and below chief petty officer second class.

plural of petty officer first class

(Canada, Navy) A non-commissioned officer in the Canadian Forces Maritime Command, ranking above master seaman and below petty officer first class.

plural of petty officer third class

(US, Navy) A non-commissioned officer in the United States Navy and United States Coast Guard, ranking above seaman and below petty officer second class.