n. pl. cur·ren·cies
1. Money in any form when in actual use as a medium of exchange, especially circulating paper money.
2. Transmission from person to person as a medium of exchange; circulation: coins now in currency.
3. General acceptance or use; prevalence: the currency of a slang term.
4. The state of being current; up-to-dateness: Can you check the currency of this address?