Pa-tă'cō, n.
n. [Sp. pataca, patacon, It. patacca, patacco, Fr. patac, pataque, patagon, patart, Pr. patac, L. Lat. pataco, patacus, patarus.]
Sense 1. A Spanish coin of the value of 4s. 8d. sterling, or about $1.13; the Spanish dollar. [Written also patacoon.]
Sense 2. A piastre, equivalent to 1s. 6d. sterling, or about $0.36; — so called in Algeria. Simmonds.