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 资深译员Kevin,毕业于亚洲顶尖的高级翻译学院,擅长翻译涉及能源和电力领域的法律文件。