Crossword Genius

Something to play when there's little room for love (5)

Ross

I believe the answer is:

cello

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'something to play when there's little' is the definition.
I can't judge whether this defines the answer.

'room for love' is the wordplay.
'room' becomes 'cell' (cell is a kind of room).
'for' means one lot of letters go next to another.
'love' becomes 'o' (love means zero in tennis).
'cell'+'o'='CELLO'

Can you help me to learn more?

(Other definitions for cello that I've seen before include "Instrument in the violin family" , "Orchestral instrument played between the legs" , "Lloyd Webber's instrument" , "Bass stringed instrument" , "Viola's bigger brother?" .)

I've seen this clue in the Evening Standard.
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