Noun
A box in which post can be left by a sender to be picked up by a courier or postman (postal worker).
Synonyms: letterbox, mailbox
Would you take these letters down to the post box please – they've already got stamps.
A box or slot into which a courier or postal worker puts letters for a recipient to collect.
Synonyms: letterbox, mailbox
post-box (plural post-boxes)
Alternative spelling of post box
post-box