arrondissement

1. The chief administrative subdivision of a department in France.
2. A municipal subdivision in some large French cities.

Origin:

Origin: French

Origin: , from Old French, rounded projection on a wall

Origin: , from arrondir, arrondiss-, to round out

Origin: : a, to (from Latin ad-; see ad-)

Origin: + rondir, to make round (from rond, round; see round¹)