arrondissement
/əˈrɒndɪsmənt/noun
1- a subdivision of a French department, for local government administration purposes郡（法国省下面一级的地方行政区）。
1.1
- an administrative district of certain large French cities, in particular Paris区（法国某些大城市,尤指巴黎的行政区）。
词源
French， from arrondir 'make round'.