grandfatherglossary / GRANDFATHER grandfather, vb. To cover (a person) with the benefits of a grandfather clause (the statute sets the drinking age at 21 but grandfathers those who are 18 or older on the statute’s effective date). 词条贡献者 译员Nanda,毕业于英国顶尖的高级翻译学院,专注翻译各种与证券和消费者集体诉讼有关的法律文件。