Crossword Genius

Nut cracked for old man (6)

Ross

I believe the answer is:

almond

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

'nut' is the definition.
(almond is a type of nut)

'cracked for old man' is the wordplay.
'old man' anagrams to 'ALMOND'.
However, I am unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for almond that I've seen before include "Nut which provides cake icing" , "Old man with nice nut" , "Nut often used in cake icing (6)." , "Edible nut" , "Oval-shaped nut" .)

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