Pyrites, tis, m g. Pli. Euery stone out of which fire may be striken. Also a milstoneand a flint like to brasse in Cypres.Pyrobola.A smithes hanuner where with be beateth hot iron.Pyroboli.Arrowes or dartes that sende foorth fire when they be caste.Pyrocorax.A crowe like a cornish choughe.Pyrodes.A flint stone.Pyromantia.Diuination by fire.
Lewis and Short: Latin dictionary
prītes, ae, m., = puri/ths.I.Flint, Plin. 36, 19, 30, 138. — II.A millstone, Plin. 36, 19, 30, 137.— III.Iron pyrites, sulphuret of iron, marcasite, Plin. 36, 19, 30, 137.