sămĭo

āvi, ātum, 1, v. a.

Samius

I. to polish or furbish with Samian stone (late Lat.): loricas, cataphractas, Veg. Mil. 2, 14: ferramenta, Aur. ap. Vop. Aur. 7.
Lewis & Short
A Latin Dictionary, 1879
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