Largest portion (2 wds.) (5,5)

I think it could be either:

Which length description are you looking for?:

5,5

lions share

(Other definitions for lions share that I've seen before include "Principal part" , "Largest part" , "Main part" , "Largest portion" , "For the greater part" .)

I've seen this clue in The Star Tribune.

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.