grinding stone

Noun

 * 1) A stone tool, used with a quern, to grind cereals
 * 2) * 2014,, Blessed. Cursed. Claimed., National Geographic (December 2014)
 * Circular dwellings, grinding stones, stone tools—its village relics date back an astonishing 12,000 years, deep into our nomadic Stone Age.

Translations

 * Assamese: পটা
 * Central Sierra Miwok: paṭ·a-
 * German: Mahlstein, Reibstein,