pillarbox
pillarbox Lexical Profile
pillarbox Game Scores & Validity
• noun
British A cylindrical, typically red public postbox standing upright on a street or pavement, into which letters are posted for collection.
"She dropped the birthday card into the red pillarbox at the corner of the high street."
The visual effect of vertical black bars placed on the left and right sides of a widescreen display to frame a standard-aspect-ratio video without stretching or cropping the image.
"Classic television episodes are usually broadcast on modern widescreen televisions with a pillarbox to preserve their original proportions."
• verb
To format or display a narrower aspect-ratio image or video on a widescreen display by adding vertical black bars to the left and right edges.
"The archival documentary footage was pillarboxed so that none of the original frame would be cropped out."