1. (n.) 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.

2. (n.) The material for glaze of pottery.

3. (v. t.) To prepare by heat (the materials for making glass); to fuse partially.

4. (v. t.) To fritter; -- with away.