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English definition of “mailbox”

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mailbox

noun [C] uk   /ˈmeɪl.bɒks/ us    /-bɑːks/
in the US, a box outside a person's house where letters are put US ( UK letterbox, postbox) a metal container in the street or other public place in which you can put letters for them to be collected and sent to someone else the place on a computer screen that shows new emails that have arrived: Look out for our emails in your electronic mailbox.
(Definition of mailbox from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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