Definition of bakestone in English:

bakestone

(also backstone, bakst'n)

Pronunciation /ˈbeɪkstəʊn/

noun

  • A thin flat piece of stone or slate heated and used as a cooking surface or griddle, especially over an open fire; (later also) an iron or steel plate used for the same purpose, typically being round with a handle on one side.

Origin

Middle English. From bake + stone.