transcription, транскрипция: [ ˈle-tər-ˌbäkst ]
adjective
also let·ter·box -ˌbäks
Etymology: perhaps from the resemblance of the picture on the TV screen or the bands above and below the picture to slots in a mailbox
Date: 1989
of a video recording : formatted so as to display the full rectangular frame of a wide-screen motion picture
• let·ter·box·ing -ˌbäk-siŋ noun