Separate trip taking in golf game (9)
I believe the answer is:
partridge
'game' is the definition.
(partridge is a type of game)
'separate trip taking in golf' is the wordplay.
'separate' becomes 'part' (synonyms).
'trip' becomes 'ride' (I've seen this before).
'taking in' means one lot of letters goes inside another.
'golf' becomes 'g' (phonetic alphabet: alpha, bravo, charlie etc.).
'ride' placed around 'g' is 'ridge'.
'part'+'ridge'='PARTRIDGE'
(Other definitions for partridge that I've seen before include "Peculiarly apt girder for the game bird" , "Animal" , "1st" , "Flighty type" , "Widespread bird" .)