Imperial measure of length (4)

I believe the answer is:

inch

(Other definitions for inch that I've seen before include "0.08333 of a foot" , "Irish island" , "One-twelfth of a foot" , "One 63,360th of a mile" , "Edge along" .)

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.