1. (engineering) A generic term for an audio or video signal (analogue or digital) which has to be routed (or fed) to an edit suite or sound studio, usually from some other location.
2. A generic term for number of inputs to a vision or audio mixer, designated as active when they are connected to a source.
3.Satellite feed: material sent via satellite to a news agency or television company either in an edited form or as rushes.
4. (journalism) See news feed.
5. On the web, see RSS.