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English definition of “letterbox”

letterbox

noun [C]   /ˈletəbɒks/ UK
IN DOOR a small hole in a door that letters are put throughDoors and parts of doorsThe postal system
IN PUBLIC PLACE (US mailbox) a large, metal container in a public place where you can post lettersThe postal system
(Definition of letterbox noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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