Commonly, under graphical interface based operating systems, a key that when pressed copies the current image to the clipboard or to a file.
key on a computer keyboard that is pressed in order to take a "picture" of the screen display and store it in memory (Windows) or send it to a local printer (DOS)
A printing process, also called hand-screening, for producing wall coverings involving stretching silk tightly onto frames, w a separate screen used for each color