Ā'ġi-o, n.

(Synop., § 130), n. [It. aggio, agio, exchange, discount, the same word as agia, ease, comfort; Fr. agio.]

1. (Com.) The difference in value between metallic and paper money, or between one sort of metallic money and another. McCulloch.
2. Premium; sum given above the nominal value; as, the agio of exchange. Lanier.