Iron utensils with a mottled enamel resembling granite.(noun)
Earthenware with a speckled glaze resembling granite.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "graniteware" in a sentence
"I bought knives, forks, and spoons, graniteware dishes and mugs."
"The ones I bought were the speckled blue graniteware variety."
"But I think what you are referring to are Italian style espresso cups in enamel, presumably more decorative than plain graniteware."