PANOPTICON
panopticon
(noun) a circular prison with cells distributed around a central surveillance station; proposed by Jeremy Bentham in 1791
panopticon
(noun) an area where everything is visible
Source: WordNet® 3.1
Etymology
Noun
panopticon (plural panopticons)
A type of prison where all the cells are visible from the center, particularly if it is not possible for someone in a cell to know if they are being watched.
A room for the exhibition of novelties.
Source: Wiktionary
Pa*nop"ti*con, n. Etym: [NL. See Pan-, and Optic.]
1. A prison so contructed that the inspector can see each of the
prisoners at all times, without being seen.
2. A room for the exhibition of novelties.
Source: Webster’s Unabridged Dictionary 1913 Edition