CPO

or C.P.O., c.p.o.

chief petty officer.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cpo

Space and chairs are reserved for officers and for CPO's, where available, and mess benches are brought up for the men.
The Armed Forces Officer|U. S. Department of Defense

British Dictionary definitions for cpo

CPO

abbreviation for

Chief Petty Officer

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012