noun

1. 1. a picture or series of pictures of a landscape, historical event, etc., presented on a continuous surface encircling the spectator; cyclorama
   2. a picture unrolled before the spectator in such a way as to give the impression of a continuous view
2. an unlimited view in all directions
3. a comprehensive survey of a subject
4. a continuous series of scenes or events; constantly changing scene

Etymology: coined (c. 1789) by Robert Barker (1739-1806), Scot artist < pan- + Gr horama, a view < horan, to see < IE base *wer-, to heed > ward, guard