Note 18 — BOOK III.
Rowland Smith translation
Tριβόλος—a corn-drag, consisting of a thick and ponderous wooden board, armed underneath with pieces of iron, or sharp flints, and drawn over the corn by a yoke of oxen, either the driver or a heavy weight being placed upon it, for the purpose of separating the grain and cutting the straw.—Dict. of Greek and Rom. Antiq. See Virg. Georg. i. 164.