letter box

1. 1.

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

   SynonymsPost-Office boxPO BoxPOBcall box

   Broadercompartment
2. 2.

   public box for deposit of mail

   Synonymspostboxmailbox

   Broadermaildrop

   Narrowerpillar box
3. 3.

   a private box for delivery of mail

   Synonymsmailbox

   Broaderbox

Questions about letter box

What does letter box mean?

letter box means "a numbered compartment in a post office where mail is put to be called for". That is the primary sense; the word has 3 in total, listed in full on this page.

What is another word for letter box?

Close synonyms include Post-Office box, PO Box, POB, call box, postbox. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is letter box a common word?

letter box is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.