WordWeb Online

1. (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it
   "hard vitreous china used for plumbing fixtures";
   - glassy, vitrified
    
2. Of or relating to or constituting the vitreous humour of the eye
   "the vitreous chamber"
    
3. Relating to or resembling or derived from or containing glass
   "vitreous rocks"; "vitreous silica"

See also: glazed, shiny

Encyclopedia: Vitreous