词源同band , 绑，旗帜。

banner

banner: [13] Banner is of Germanic origin, but it reached English via Latin. Early forms which show its Germanic antecedents are Gothic bandwo ‘sign’ and the related Old Norse benda ‘give a sign’, but at some stage it was acquired by Latin, as bandum ‘standard’. This passed via Vulgar Latin *bandāria into various Romance languages, in some of which the influence of derivatives of Germanic *bann- (source of English ban) led to the elimination of the d. Hence Old French baniere and Anglo-Norman banere, source of English banner.
=> ban

banner (n.)

c. 1200, from Old French baniere (Modern French bannière) "flag, banner, standard," from Late Latin bandum "standard," borrowed from a West Germanic cognate of Gothic bandwa "a sign" (see band (n.2)). Figurative use from early 14c. Of newspaper headlines, from 1913.

1. Lucy had strung a banner across the wall saying "Welcome Home Daddy".

露西在墙上挂了一条横幅，上面写着“欢迎爸爸回家”。

来自柯林斯例句

2. All countries march as one nation under the banner of friendship.

所有国家在友谊的旗帜下团结一致，共同前进。

来自柯林斯例句

3. I felt the banner rip as we were pushed in opposite directions.

当我们被推向相反的方向时，我感觉横幅被撕裂了。

来自柯林斯例句

4. Some prisoners climbed onto the roof and hung up a banner.

几个囚犯爬上房顶，挂起了一面旗子。

来自柯林斯例句

5. Nothing to be heard but the soft flap of a silk banner.

万籁俱寂，只有一面绸制旗子轻轻飘动的响声。

来自柯林斯例句