letter box

A form of letterbox — A collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.

Similar
Post-Office boxPO BoxPOBcall boxpostboxmailbox
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Meanings

nounletter box (plural letter boxes)

plural letter boxes

  1. alternativeAlternative form of letterbox.

Synonyms & antonyms

nouna numbered compartment in a post office where mail is put to be called for

Similar
Post-Office boxPO BoxPOBcall box
Broader
compartment

nounpublic box for deposit of mail

Similar
postboxmailbox
Broader
maildrop

nouna private box for delivery of mail

Similar
mailbox
Broader
box
Also see
call boxmailboxpillar boxpo box

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

letter box. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/letter%20box

MLA

“letter box.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/letter%20box. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “letter box,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/letter%20box.

Source: letter box on Wiktionary, CC BY-SA 4.0.