What is "glassy vitreous vitrified"

glazed \glazed\ (gl[=a]zd) adj.

1. Same as glassed.

   Syn: glassed.

2. Having a shiny surface or coating; as, glazed fabrics; glazed doughnuts. [Narrower terms: glassy, vitreous, vitrified; glossy, calendered; icy ; {glac['e]] unglazed

   Syn: shiny.

3. Lacking liveliness; -- used of eyes; as, a glazed look.

   Syn: glassy.