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[pil-er-boks] /ˈpɪl ərˌbɒks/ Digital Technology, Television.
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).
verb (used with object)
to display (a film or video) by using the pillarbox technique.
Origin of pillarbox
2000-05; pillar + box1, perhaps referencing the two black bands (or pillars) used to box in the video content Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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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

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