Definition of front nine in English:

front nine

noun

Golf
  • The first nine holes on an eighteen-hole course.

    ‘she missed two short birdie putts on the front nine’
    • ‘I made some great putts today to save pars on the front nine.’
    • ‘He led by as many as two shots for most of the front nine.’
    • ‘He also finished his front nine with four bogeys in five holes.’
    • ‘Pettersson birdied four of five holes later in the front nine.’
    • ‘McIlroy shot 40 on the front nine to take himself out of the tournament.’