frit

/F R IH1 T/
noun
  1. 1

    A fused mixture of materials used to make glass.

  2. 2

    A similar material used in the manufacture of ceramic beads and small ornaments. (eastern Mediterranean; Bronze and Iron Age)

verb
  1. 1

    To add frit to a glass or ceramic mixture

  2. 2

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

adjective
  1. 1

    Frightened.

noun
  1. 1

    A frit fly.

Source: https://en.wiktionary.org/wiki/frit