1. large pieces of cloth or other material with words or designs, typically hung up or carried to display a message
Usage: plural of banner
2. advertisements displayed on websites, usually in rectangular form
Usage: computing; digital marketing

Examples

• The protesters carried colorful banners demanding change.
• Birthday banners decorated the party room.
• Campaign banners hung from every streetlight.
• The website displayed several advertising banners.
• School banners welcomed visitors to the graduation ceremony.
• Pop-up banners appeared on every webpage he visited.