banco UK /ˈbæŋkəʊ̯/US /ˈbeɪ̯ŋkoʊ̯/noun 2adjective 1verb 1forms 3 noun2 •[before a noun] A bank, especially that of Venice; formerly used to indicate bank money, as distinguished from the current money when it has become depreciated.On account of the great confidence placed on them, payments in banco soon gained a premium on payments in current coin, so that speculation arose on the fluctuating premium. — 1941 •In baccarat or chemin de fer, a bet on the banker hand. adjective1 •Being or relating to a type of court involving a bench of judges, often an appeals court. verb1 •In baccarat or chemin de fer, to bet an amount equal to the entire bankroll currently being offered by the banker. formsbancoed · bancoing · bancos