letterboxes

/ˈlɛtərˌbɑksɪz/
noun
  1. Plural of letterbox; multiple boxes or slots for receiving mail.
    • All the letterboxes on the street were painted red.
    • The apartment building has letterboxes for each unit in the lobby.
    • The postman sorted the mail into the correct letterboxes.
verb
  1. Third person singular form of the verb 'letterbox'; displays widescreen video with black bars.
    • The software automatically letterboxes any video that is not in standard format.
    • My TV letterboxes old movies to fit the screen properly.
    • The app letterboxes the content so nothing is cut off.
What does "letterboxes" mean? | whatsthatwordmean | whatsthatwordmean