post office box
noun/ˈpəʊst ɒfɪs bɒks/
/ˈpəʊst ɑːfɪs bɑːks/
(also PO box)
- used as a kind of address, so that mail can be sent to a post office where it is kept until it is collected
Check pronunciation:
post office box
Definition of post office box noun from the Oxford Advanced Learner's Dictionary
jump to other results