letter box
noun/ˈletə bɒks/
/ˈletər bɑːks/
(British English)- (North American English mail slot)a narrow opening in a door or wall through which mail is delivered
- The postman put a bundle of letters through the letter box.
- (North American English mailbox)a small box near the main door of a building or by the road, which mail is delivered to compare pillar box, postbox
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letter box