graniteware

plural granitewares

1. countableuncountableIronware that has been coated with a layer of vitreous enamel with a swirled or speckled pattern resembling granite.

   1 more example

   The prisoners sat in the sand among old rusted tins and bits of charcoal with their hands still manacled before them and the guards set out an old blue graniteware coffeepot and a stewpot of the sme material and they drank coffee and ate a dish containing some kind of pale and fibrous tuber, some kind of meat, some kind of fowl.

   1992, Cormac McCarthy, All the Pretty Horses, →ISBN, page 158

2. countableuncountablePottery with the same type of enamel coating.