(also ˈpost office box ) noun
used as a kind of address, so that mail can be sent to a post office where it is kept until it is collected :
Radio Netherlands, PO Box 222, Hilversum
(also ˈpost office box ) noun
used as a kind of address, so that mail can be sent to a post office where it is kept until it is collected :
Radio Netherlands, PO Box 222, Hilversum
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005