immatriculationglossary / IMMATRICULATION immatriculation. Int’l law. The grant of nationality to and enrollment on the national registry of a merchant ship, thereby giving the ship the right to fly the registering nation’s flag. 词条贡献者 双语律师Howard,毕业于法国一流的高级翻译学院,擅长翻译各类与欧美消费者隐私法规相关的法律文件。