catoptron

from The Collaborative International Dictionary of English v.0.48

Catopter \Ca*top"ter\, Catoptron \Ca*top"tron\, n. [Gr. ?
   mirror, fr. ? visible.]
   A reflecting optical glass or instrument; a mirror. [Obs.]
   [1913 Webster] Catoptric

from The Collaborative International Dictionary of English v.0.48

Catoptron \Ca*top"tron\ (k[.a]*t[o^]p"tr[o^]n), n. [Obs.]
   See {Catopter}.
   [1913 Webster]