Pa-nŏp'ti-cŏn, n.

noun

n. [Gr. πᾶς, πᾶν, all, and the root ὀπ, future ὄψομαι, to see; Fr. panoptique.]

  1. A prison so constructed that the inspector can see each of the prisoners at all times, without being seen by them. J. Bentham.
  2. An exhibition room of novelties. Art Journal.