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English definition of “letterbox”

letterbox

noun [C]     /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 Doors and parts of doors (US mailbox) a large , metal container in a public place where you can post letters The postal system
(Definition of letterbox noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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