•
[C] a long piece of cloth, often stretched between two poles, with a sign written on it, usually carried by people taking part in a marchThe demonstrators walked along the street, waving banners and shouting angrily.
•
[C] (ALSO banner ad/banner advertisement ) an advertisement that appears across the top of a web page •
[S] an idea, principle or belief that is strongly supported by someoneThey won the election under the banner of lower taxes.