glazing

Concise Oxford English Dictionary © 2008 Oxford University Press:
glaze/ɡleɪz/

▶verb

• 1 fit panes of glass into (a window frame or similar structure).

  ■ enclose or cover with glass.

• 2 cover with a glaze.

• 3 (often glaze over) lose brightness and animation.

▶noun

• 1 a vitreous substance fused on to the surface of pottery to form a hard, impervious decorative coating.

• 2 Art a thin topcoat of transparent paint used to modify the tone of an underlying colour.

• 3 a liquid such as milk or beaten egg, used to form a smooth, shiny coating on food.

• 4 N. Amer. a thin, glassy coating of ice on the ground or water.

– derivatives
glazer noun,
glazing noun.

– origin ME glase, from glass.