aval
noun[C]
BANKING,FINANCEuk/əˈvæl/usapaymentsuch as abillofexchange,promissorynote, orchequewhich abankpromisestopayiftheircustomeris notabletopayit back themselves:
An aval is sometimes referred to as a "bankguarantee", since abankisguaranteeingpaymentof thefinancialinstrument.