0 an official piece of paper with an amount of money written on it that you can send or give to someone who can then exchange it for the same amount of money at a post office --
1 → money order --
What is the approximate cost of sending the pensions by postal order?
This is normally done by postal order on a weekly basis.
He has to pay money for the stamp and the duty on the postal order.
It is a postal order company for babies.
She sent off a monthly payment but did not have the card returned and, therefore, her only proof of payment was the postal order counterfoil.
I want to know was the handwriting in the postal order declared to be by an expert the same as the boy's handwriting.
Families can send money to prisoners by cheque, postal order or cash.
A postal order is for a much smaller amount and has a far less rigid degree of security.