Familiar term for New York (3,5)

I think it could be either:

Which length description are you looking for?:

3,5

big apple

(Other definitions for big apple that I've seen before include "Large fruit in the US?" , "NY City nickname" , "Informal name for New York" , "Fruity name for New York" , "New York's slang name" .)

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.