Here is the meaning of the word, FRIT

Frit ( v. t. ) - The material for glaze of pottery.
Frit ( v. t. ) - The material of which glass is made, after having been calcined or partly fused in a furnace, but before vitrification. It is a composition of silex and alkali, occasionally with other ingredients.
Frit ( v. t. ) - To fritter; -- with away.
Frit ( v. t. ) - To prepare by heat (the materials for making glass); to fuse partially.