GIRO Meaning of GIRO in English n. & v. --n. (pl. -os) 1. a system of credit transfer between banks, post offices, etc. 2 a cheque or payment by giro. --v.tr. (-oes, -oed) pay by giro. Etymology: G f. It., circulation (of money) Oxford English vocab. Оксфордский английский словарь. 2012