Definition of O-line in US English:

O-line

noun

American Football
  • ‘the Patriots' O-line is vastly improved since the season began’
    short for offensive line
    • ‘The Jaguars' massive defensive line crumbled Denver's O-line last season.’
    • ‘Injuries on the offensive line have not been serious, a lucky break for the Titans, who have no depth on the O-line.’
    • ‘The Packers' offense has enough balance to keep defenses from overwhelming their new-look O-line.’
    • ‘He has thrived when given time in the pocket, but he can't blame the O-line solely for his struggles of late.’
    • ‘In a game filled with stinky performances, the O-line's was the most pungent.’