no obj.
1
- emit such a cry or sound发出雁叫声; 按喇叭。
1.1
- with obj. cause (a car horn) to make such a sound揿汽车喇叭。
1.2
- with obj. express by sounding a car horn按汽车喇叭表示：
taxi drivers honking their support.
出租车司机按汽车喇叭表示他们的支持。
2
- Brit. informal vomit〈英, 非正式〉呕吐。
词源
mid 19th cent.: imitative.