petty officer

petty officer (plural petty officers)

1. A non-commissioned officer in the Canadian, US and UK Navy and the US Coast Guard; roughly equivalent to a sergeant in the army
   • 2025 October 21, Rose George, “‘I knew in my head we were dying’: the last voyage of the Scandies Rose”, in The Guardian‎^[1]:

     The rescue swimmer was Coast Guard third petty officer Evan Grills. He was 24 years old, he came from Florida and this was his first rescue.

• PO (abbreviation)

• non-commissioned officer
• warrant officer
• commissioned officer
• general officer
• field officer
• staff officer