modus vacandiglossary / MODUS VACANDI modus vacandi (moh-d[schwa]s v[schwa]-kan-dI). [Law Latin] Hist. The manner of vacating. • This term was often used in determining the circumstances under which a vassal surrendered an estate to a lord. 词条贡献者 译员Clara,毕业于国内知名法学院,擅长翻译有关建筑领域的法律文件。