Subdivision of a county (7)

I believe the answer is:

hundred

(Other definitions for hundred that I've seen before include "Historical division of a county - number" , "so many others" , "Five score" , "English county division" , "Old division of a county" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.