res accessoriaglossary / RES ACCESSORIA res accessoria (rays ak-ses-or-ee-[schwa]). [Latin] Civil law. An accessory thing; a thing that is related to a principal thing. Pl. res accessoriae. 词条贡献者 资深译员Paul,毕业于国际一流的高级翻译学院,专注翻译各种与政府合同诉讼有关的法律文件。