/ ˈdʒaɪrəʊ; NAmE -roʊ/ noun ( pl. -os ) ( BrE )
1.
[ U ] ( finance ) a system in which money can be moved from one bank or post office account to another by a central computer :
to pay by giro
a giro credit / payment / transfer
2.
(also ˈgiro cheque ) [ C ] a cheque that the government pays through the giro system to people who are unemployed or sick, or who have a very small income :
It is easy for families to run out of money before the weekly giro arrives.
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WORD ORIGIN
late 19th cent.: via German from Italian , circulation (of money) .