Crossword Genius

Game of catch crossing over the road? (8,6)

Ross

I believe the answer is:

contract bridge

I'm a little stuck... Click here to teach me more about this clue!

'catch crossing over the road?' is the definition.
I can't tell whether this defines the answer.

'game of' is the wordplay.
'game' becomes 'contract' (contract is a kind of game).
'of' becomes 'bridge' (I can't explain this - if you can you should believe this answer much more).
'contract'+'bridge'='CONTRACT BRIDGE'

Can you help me to learn more?

(Other definitions for contract bridge that I've seen before include "Wherein four deck hands" , "Quartet play this" , "Card game" , "that requires two pairs of hands" , "Instruction for nose job, perhaps" .)

I've seen this clue in The Independent.
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