Now that is a ridiculous piece of furniture! (7)

I believe the answer is:

whatnot

I'm a little stuck... Click here to teach me more about this clue!

'piece of furniture' is the definition.
(I've seen this before)

'now that is a ridiculous' is the wordplay.
'now that' anagrams to 'WHATNOT'.
But, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for whatnot that I've seen before include "Portable stand with shelves" , "Thing whose name is temporarily forgotten" , "This piece of furniture" , "Set of shelves" , "part of the furniture" .)

I've seen this clue in the Evening Standard.

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.