Also in L. form triobolus. [ad. Gr. τριώβολον, f. τρι-, TRI- + ὀβολός OBOL.] An ancient Greek coin of the value of three obols, or half a drachma.

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[1693.  trans. Blancard’s Phys. Dict. (ed. 2), Triobolon, half a Dram.]

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1837.  Wheelwright, trans. Aristoph., II. 190. She bates her tongue for my triobolus.

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1842.  Smith’s Dict. Grk. & Rom. Antiq., s.v. Drachma, Specimens of the tetrobolus, triobolus, diobolus … are still found.

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1887.  B. V. Head, Hist. Numorum, 316. Tetradrachms, Drachms, and Triobols.

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