Cut-out /(kŭt"out`)/

Cut·-out

Cut-out

n.
  1. A species of switch for changing the current from one circuit to another, or for shortening a circuit. (Telegraphy)
  2. Something cut out from another object, especially a piece of thick paper or cardboard with a picture on it (as of a person or other object), embedded in a larger sheet of paper and having perforations around the edges of the figure to allow easy removal from the larger sheet.
  3. A valve in the exhaust system of an internal combustion engine which, when activated, permits the exhaust gases to bypass the muffler.