1. a long piece of cloth with words or designs on it, hung up or carried to give information or advertise something
2. a flag of a country, organization, or cause

1. excellent or outstanding
Usage: informal

Examples

• The protesters carried banners demanding justice.
• A welcome banner hung across the school entrance.
• The team marched under their banner.
• She had a banner year in sales.
• The store displayed a large sale banner in the window.
• The banner fluttered in the wind.
• It was a banner performance by the young athlete.