Crossword Genius

Prince initially fancying small drink (4)

Ross

I believe the answer is:

half

'small drink' is the definition.
(e.g. a half pint)

'prince initially fancying' is the wordplay.
'prince' becomes 'hal' (I've seen this before).
'initially' indicates taking the first letters.
The initial letter of 'fancying' is 'f'.
'hal'+'f'='HALF'

(Other definitions for half that I've seen before include "Portion of bread (better than none?)" , "Two of these to the pint" , "Fifty percent" , "Measure of beer" , "One of two equal parts" .)

I've seen this clue in The Times.
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