inserter

(1) an iostream
Found on http://www.stroustrup.com/glossary.html

Inserter

(also alphanumeric video generator). A device for providing additional information, normally superimposed on the picture being displayed; this can range from one or two characters to full-screen alphanumeric text. Usually, such generators use the incoming video signal sync pulses as a reference point for the text insertion position, which means if ...
Found on http://www.zoo.co.uk/~z0001325/Glossary.html

Inserter

A device which adds teletext data to a television signal.
Found on http://www.encyclo.co.uk/local/20482
No exact match found