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pillarbox

[pil-er-boks]Digital Technology, Television.
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noun
  1. a technique for displaying a video recorded in portrait orientation on a wider screen by reducing its size but retaining the aspect ratio, with black bands filling the screen to the right and left of the picture (often used attributively):pillarbox format. Compare letterbox(def 2).
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verb (used with object)
  1. to display (a film or video) by using the pillarbox technique.
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Origin of pillarbox

2000–05; pillar + box1, perhaps referencing the two black bands (or pillars) used to box in the video content
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pillarbox

Historical Examples

  • With a beating heart she went out to post the letter herself, and as it dropped into the pillarbox, she prayed softly to "God."

    Married

    August Strindberg