Crossword Genius

Reference book has uterus misspelled (9)

Ross

I believe the answer is:

thesaurus

'reference book' is the definition.
(I know that thesaurus is a type of wordbook)

'has uterus misspelled' is the wordplay.
'misspelled' indicates anagramming the letters (I've seen this in other clues).
'has'+'uterus'='hasuterus'
'hasuterus' with letters rearranged gives 'THESAURUS'.

(Other definitions for thesaurus that I've seen before include "Reference book" , "treasury" , "lists?" , "work we may refer to" , "Book of words with synonyms, antonyms etc" .)

I've seen this clue in The Telegraph.
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