There are multiple definitions - click on the translation that matches your context.

Unterhaltsrente

Substantiv

partial

child support

noun

Comparative law notes

Germany

The German term is broader and encompasses a whole range of support payments. A form of child support is really one form of that support and has a very specific meaning in some countries like the US.

Definitions of child support

English

(US FAMILY LAW)a parent's legal obligation to contribute to the economic maintenance and education of a child until either the age of majority, the child's emancipation (=where a minor becomes an adult in practice, usually by receiving a declaration of liberation from a court expressly for this purpose) before reaching the age of majority or the child's completion of secondary education

The couple completely failed in their child support obligations..

English

money paid, generally following the separation of a child's parents, by the parent who no longer has custody of the child to the parent who has custody

A man who donated sperm to a lesbian couple told of his anger at being made to pay child support for their two children.