- a thin, protective box of fire clay for baking finer or more delicate ceramics in the kiln
- the clay of which it is made
Origin of saggerdialect, dialectal saggard, contr. from uncertain or unknown; perhaps safeguard
- A protective casing of fire clay in which delicate ceramic articles are fired.
- Clay used to make ceramic casings.
Origin of saggerPerhaps alteration of safeguard