WordNet
support payment
n. a payment made by one person for the support of another
Usage examples of "support payment".
It was Beth, wanting to be sure Fat knew that he had fallen behind a week in his child support payment.
After one particularly violent argument over a child support payment, a female ham radio operator from the Shetland Islands had written to Trikon complaining about obscenities emanating from space.
He knew that his Ex- would have him thrown in jail, if he even hinted that he might miss a support payment.