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English definition of “letterbox”

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letterbox

noun [C] uk   /ˈlet.ə.bɒks/ us    /ˈlet̬.ɚ.bɑːks/ UK
( US mail slot) a rectangular hole in the door or in a wall near the entrance of a house or other building, through which letters, etc. are delivered ( US mailbox) 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
(Definition of letterbox from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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