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Definition of postbox noun from the Oxford Advanced Learner's Dictionary

postbox

noun
 
/ˈpəʊstbɒks/
 
/ˈpəʊstbɑːks/
(British English)
(North American English mailbox)
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  1. a public box, for example in the street, that you put letters into when you send them
    • There's a postbox on the corner of the street.
    compare pillar box

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alloy
noun
 
 
From the Topic
Physics and chemistry
C2
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