- Also letter box. Chiefly British. a public or private mailbox.
- Digital Technology, Television. a technique for displaying a wide-screen film or landscape video on a narrower screen by reducing its size but retaining the aspect ratio, with black bands filling the screen above and below the picture (often used attributively):letterbox videos.Compare pan and scan, pillarbox(def 1).
- Digital Technology, Television. to display (a film or video) by using the letterbox technique.
Origin of letterbox
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for letterbox
There must be a rural delivery, and if so, at the gate would be a letterbox.The Rest Hollow Mystery
Rebecca N. Porter
Putting pieces of folded brown paper in the letterbox for her.Ulysses
There was a letterbox at the corner, a foot from the older man's shoulder.The Lifted Bandage
Mary Raymond Shipman Andrews
The lid flew back, and we pressed forward, and each ran his hand down into the letterbox.In the Fog
Richard Harding Davis
That letter he dropped into the Pixley letterbox himself that night, and so was assured of its delivery.Pearl of Pearl Island