sag·ger /ˈsægɚ/
  火泥箱
  Sag·ger n.
  1. A pot or case of fire clay, in which fine stoneware is inclosed while baking in the kiln; a seggar.
  2. The clay of which such pots or cases are made.
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  Seg·gar n.  A case or holder made of fire clay, in which fine pottery is inclosed while baking in the kin. [Written also saggar, sagger, and segger.]
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