commission dayglossary / COMMISSION DAY commission day. English law. The opening day of the assizes. • On this day the commission that authorizes the judge to act is publicly read. — Also written commission-day. 词条贡献者 法律翻译Jack,毕业于一所旨在培养高级翻译专业人才的翻译院校,专注翻译各类与重大诉讼案件有关的法律文件。