back nine
noun/ˌbæk ˈnaɪn/, /ˈbæk naɪn/
/ˌbæk ˈnaɪn/, /ˈbæk naɪn/
- (in golf) the last nine holes of a course
- She played the back nine in two under par.
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back nine
Definition of back nine noun from the Oxford Advanced Learner's Dictionary