n.[C]

1. 古罗马的长官；高级文武官员
2. 地方行政长官；（法国等的）省长；（巴黎）警察厅长
3. （英国等私立学校中的）级长

n.

1. chiefly Brit. a senior pupil authorized to enforce discipline in a school.
2. a chief officer, magistrate, or regional governor in certain countries.
   ▸a senior magistrate or governor in the ancient Roman world.