Crossword Genius

Four-inch bananas (4)

Ross

I believe the answer is:

hand

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'bananas' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

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(Other definitions for hand that I've seen before include "Given cards" , "Player's cards" , "Unit of equine measurement" , "See 12" , "Help < and applause" .)

I've seen this clue in The Globe and Mail.
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