pўrītes

ae, m.
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.
Lewis & Short
A Latin Dictionary, 1879
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