PO boxnoun [ C ]
uk/ˈpiː.əʊ ˌbɒks/us/ˈpiː.oʊ ˌbɑːks/a box with a number in a post office to which your letters and parcels can be sent and from which you can collect them:
Write to PO box 123.
a PO box number
Thesaurus: synonyms and related words
Communications - the postal system
- certified mail
- consign
- direct mail
- express
- mail slot
- mailbag
- mass mailing
- p. and p.
- parcel post
- pillar box
- pin code
- PO
- postmaster
- shipping and handling
- snail mail
- stamped addressed envelope
- surface mail
- window
- zip code
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