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PO Box - definition and synonyms

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noun [countable] PO Box pronunciation in British English
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singularPO Box
pluralPO Boxes
  1. post office box: used in an address showing the number of a small box at a post office where letters for you can be sent

    Send your name and address to BBC Good Food, PO Box 43, Leeds.

unicorn

a start-up … whose value has reached more than one billion US dollars

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an afternoon full of crafts

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