glaze  [ɡleɪz]
                    
1) to fit panes of glass into a window, door frame etc 
                    
 Windows in schools should be glazed using laminated glass.
                    
2) to overlay or cover food and/or fabric, etc. with
                        a smooth, shiny coating or finish
                    
 We had new potatoes which had been glazed in 
                      
                    mint-flavoured butter.
                    
3) to lose brightness and animation
                    
 The prospect makes my eyes glaze over with boredom.
                    
                    
double-glazing - windows made with two layers of glass with a space between them, designed to retain heat and exclude noise
                    
glaziers [ˈgleɪziəz] are craftsmen who work with glass