https://www.merriam-webster.com/dictionary/petty%20officer%20second%20class
PETTY OFFICER SECOND CLASS Definition & Meaning - Merriam-Webster
The meaning of PETTY OFFICER SECOND CLASS is an enlisted member of the navy or coast guard ranking above a petty officer third class and below a petty officer...
petty officer second classdefinitionmeaningmerriamwebster