Definition of frits:
(n) :
A fused mixture of materials used to make glass.
(v) :
To add frit to a glass or ceramic mixture
(v) :
To prepare by heat (the materials for making glass); to fuse partially.
(n) :
(archaeology) A similar material used in the manufacture of ceramic beads and small ornaments. (eastern Mediterranean; Bronze and Iron Age)
(adj) :
(UK, regional, now especially politics) Frightened.
(n) :
(UK politics, derogatory) A politician who does not perform some action (for example answering a question or calling a vote) out of fear of losing.