Crossword Genius

Outfit — number for a future queen (6)

Ross

I believe the answer is:

kitten

'a future queen' is the definition.
(queen can mean a female cat)

'outfit number' is the wordplay.
'outfit' becomes 'kit' (kitting is a kind of outfiting).
'number' becomes 'ten' (ten is a kind of whole number).
'kit'+'ten'='KITTEN'

'for' acts as a link.

(Other definitions for kitten that I've seen before include "Immature cat" , "Little mewing ball of fur?" , "Little feline" , "Young cat, ferret etc." , "Baby cat" .)

I've seen this clue in The Times.
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