pillarboxed
adj.— «Most people will watch a feature film letterboxed but if, in the future, you fork out the money for a 16:9 set Im sure you would be dissapointed if the picture was “pillarboxed.” The 14:9 is not squashed per say—it is full frame 16:9 cropped so you only lose a portion of the edges of frame whereas the height is left alone.» —“Re: POV and widescreen” by Pete Usenet: uk.media.tv.misc Mar. 6, 1998. (source: Double-Tongued Dictionary)
Further reading
The new Downton Abbey movie is a luscious treat for fans of the public-television period piece, but how accurate is the script when it comes to the vocabulary of the early 20th century? It may be jarring to hear the word swag, but it was already at...
