Crossword Genius

Wash could be on pegs (6)

Ross

I believe the answer is:

sponge

'wash' is the definition.
(thesaurus)

'could be on pegs' is the wordplay.
'could be' indicates an anagram.
'on'+'pegs'='onpegs'
'onpegs' with letters rearranged gives 'SPONGE'.

(Other definitions for sponge that I've seen before include "Light cake; sea creature" , "Aquatic creature - cadge" , "Soft aquatic creature" , "Piece of porous rubber" , "Aquatic invertebrate with a soft porous body" .)

I've seen this clue in The Telegraph.
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