insular areaglossary / INSULAR AREA insular area. A territory or commonwealth. • This phrase is used by some writers to denote the genus of which the terms territory and commonwealth are species. See COMMONWEALTH(2); TERRITORY(1). 词条贡献者 译者Frank,毕业于英国一流的高级翻译学院,擅长翻译涉及交通物流领域的法律文件。