Seggar

from The Collaborative International Dictionary of English v.0.48
Seggar \Seg"gar\, n. [Prov. E. saggard a seggar, seggard a sort
   of riding surtout, contr. fr. safeguard.]
   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}.] --Ure.
   [1913 Webster]
    

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