currency

1. (more specifically) Paper money.Examples: "Spangler went through his pockets, coming out with a handful of small coins, one piece of currency and a hard-boiled egg."; "Two years on, and while the Sultan of Slowjamastan has instigated more than a few bizarre laws (he’s outlawed the wearing of Crocs, for example), the Republic also has all the trappings of a fledgling nation-state. It issues its own passports, flies its own flag, prints its own currency (“the duble”), and has a national anthem that’s played on state occasions."countableuncountable

2. (obsolete) Current value; general estimation; the rate at which anything is generally valued.Examples: "He […] takes greatness of kingdoms according to their bulk and currency, and not after intrinsic value."; "The bare name of Englishman […] too often gave a transient currency to the worthless and ungrateful."countableobsoleteuncountable

3. (obsolete) Fluency; readiness of utterance.countableobsoleteuncountable