'Seggar' definitions:
- 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]