American Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition letterbox in American English

letterbox noun

[countable] noun
/ˈletərˌbɑks/
1

a way in which some movies appear on a television screen with black areas above and below the picture

Synonyms and related words
2

a mail slot in a door

Synonyms and related words
Definition letterbox in American English