motion for reductionglossary / motion for reduction Family law. A motion to lessen the amount of child-support payments.• This is a type of motion to modify. 词条贡献者 资深译员维皓,毕业于一所培养高级翻译以及跨文化事务专家的精英大学,专注翻译各种与反垄断诉讼有关的法律文件。