APO
/ˌeɪ piː ˈəʊ/
/ˌeɪ piː ˈəʊ/
Army Post Office, Air Force Post Office
- the special post office system of the US Army and Air Force. Mail can be sent between bases in the US and abroad quickly and at a low cost. compare FPO
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
APO