Crossword Genius

Second grade, slow moving game? (5)

Ross

I believe the answer is:

bowls

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

'game?' is the definition.
(I know that bowls is a type of bowling)

'second grade slow moving' is the wordplay.
'second' becomes 'b' (B can mean second eg B-side).
'grade slow moving' becomes 'owls' (I can't explain this - if you can you should believe this answer much more).
'b'+'owls'='BOWLS'

Can you help me to learn more?

(Other definitions for bowls that I've seen before include "woods" , "Kitchen pots for storing" , "Lawn game" , "Throws or rolls a ball" , "Game played on green" .)

I've seen this clue in the Sydney Morning Herald.
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