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post office box

or post-of·fice box

[ pohst-aw-fis boks, of-is ]
/ ˈpoʊstˌɔ fɪs ˌbɒks, ˌɒf ɪs /
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noun
a small, locked compartment, usually in a post office, into which the mail of a box renter is put to be called for. Abbreviation: POB, P.O.B.
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Also P.O. box or PO box [pee-oh-boks] /ˈpiˈoʊ ˌbɒks/ .

Origin of post office box

An Americanism dating back to 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use post office box in a sentence

British Dictionary definitions for post office box

post office box

noun
a private numbered place in a post office, in which letters received are kept until called for
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
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