Crossword Genius

It goes from knee to ankle (5)

Ross

I believe the answer is:

tibia

(Other definitions for tibia that I've seen before include "Bone of the lower leg" , "Part of leg of" , "The large shinbone" , "ancient pipe" , "The formal shinbone" .)

I've seen this clue in The Guardian.
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.