1. a title or heading printed at the top of a newspaper or magazine article
2. the main news story or most important piece of information in a news broadcast or publication

1. to be the main performer or attraction at an event
2. to provide with a headline; to be the headline of

Examples

• The headline of the newspaper announced the election results.
• She read the headlines to stay informed about current events.
• The famous musician will headline the music festival next month.
• The article was headlined 'Local Team Wins Championship.'
• Breaking news headlines appeared on the television screen.
• He scanned the headlines before reading the full articles.
• The band headlined three major concerts last summer.