noun Date: 1917 an enlisted man in the navy or coast guard ranking above a petty officer second class and below a chief petty officer
PETTY OFFICER FIRST CLASS
Meaning of PETTY OFFICER FIRST CLASS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012