Oxford Dictionary English pilot officer nounnoun BrE BrE//ˈpaɪlət ɒfɪsə(r)// ; NAmE NAmE//ˈpaɪlət ɔːfɪsər// , NAmE//ˈpaɪlət ɑːfɪsər// (abbreviation PO) The air force Add to my wordlistjump to other results an officer of the lowest rank in the British air force See related entries: The air forceCheck pronunciation: pilot officer oxfordlearnersdictionaries.com
