Look up: Ekkyklema

1. Ekkyklema
   literally a 'thing rolled out'; in a theater, a platform rolled out on wheels through one of the doors of the skene on which a tableau was displayed representing the result of an action which had taken place indoors and therefore was unseen by the audience.
   Found on http://ablemedia.com/ctcweb/glossary/glo
   
   
2. Ekkyklema
   An `ekkyklêma` (; ; "roll-out machine") was a wheeled platform rolled out through a skênê in ancient Greek theatre. It was used to bring interior scenes out into the sight of the audience. Some ancient sources suggest that it may have been revolved or turned. It is m...
   Found on http://en.wikipedia.org/wiki/Ekkyklema