Crisp biscuit (5)

I think it could be either:

Which length description are you looking for?:

6,4

wafer

'crisp biscuit' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for wafer that I've seen before include "Light thin biscuit" , "A very thin plain biscuit" , "Ice cream biscuit" , "Very thin slice" , "Ice-cream biscuit" .)

I've seen this clue in The Mirror and The Telegraph.

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.