Crossword Genius

What a drinker may do to his hands (3)

Ross

I believe the answer is:

cup

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'what a drinker may do to his hands' is the definition.
The definition suggests a singular noun which matches the answer.

This is all the clue.

Can you help me to learn more?

(Other definitions for cup that I've seen before include "Trophy; drinking vessel" , "competition" , "Trophy, drink" , "Award; mug" , "Beaker" .)

I've seen this clue in the Evening Standard.
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