noun
a red pillar-shaped letter box
• Regions: ↑United Kingdom, ↑UK, ↑U.K., ↑Britain, ↑United Kingdom of Great Britain and Northern Ireland, ↑Great Britain
• Hypernyms: ↑postbox, ↑mailbox, ↑letter box
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a tall red metal box in the street, used for putting letters in which are being sent by post
Useful english dictionary. 2012.