Very large shop (9)

I think it could be either:

Which length description are you looking for?:

megastore

'very large shop' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for megastore that I've seen before include "Very large shop" , "giant in business" , "large outlet" , "Massive outlet" .)

I've seen this clue in The Mirror.

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.