post office box Meaning in the Cambridge English Dictionary
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Meaning of “post office box” in the English Dictionary

"post office box" in American English

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post office boxnoun [C]

 us   /ˈpoʊst ˌɔ·fɪs ˌbɑks, ˌɑf·ɪs/ (abbreviation P.O. Box)
a ​small, ​numbered, ​locked box at a post office to which ​letters are ​delivered
(Definition of post office box from the Cambridge Academic Content Dictionary © Cambridge University Press)

"post office box" in Business English

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post office boxnoun [C]

uk   us   COMMUNICATIONS
→  PO Box
(Definition of post office box from the Cambridge Business English Dictionary © Cambridge University Press)
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