1N-COUNT （足球）头球 In football, a header is the act of hitting the ball in a particular direction with your head. （足球）头球
2N-COUNT （文件的）页眉 A header is text such as a name or a page number that can be automatically displayed at the top of each page of a printed document. （文件的）页眉 [computing]
...page formatting like headers, footers and page numbers.