2.British EnglishBrETCM a box in a postoffice or street, in which letters are posted 〔设于邮局或街上的〕邮箱,邮筒SYN British English postbox, American English mailbox
Examples from the Corpus
letterbox• They had velvetflaps over them like letterboxes.• The first I heard of my part in Talking Heads was when the script was pushed through my letterbox.• The rattle of the letterbox told her that the postman had just delivered the mail.• It's when the dreadedinsurancerenewaldrops through the letterbox.• So he poked his nose through the letterbox.• Through the letterbox, they saw her lying in the hall, covered in blood.• The letterboxclashed and no letters came.• Lancre people didn't bother much with letterboxes.