(in football (soccer) )足球 an act of hitting the ball with your head Topics Sports: ball and racket sportsc1用头顶球;头球 a line or block of text that appears at the top of every page in a book or document (计算机打印时自动加在各页顶端的)标头,首标 The header gives the page number and date of the document. 页眉印有页码和文档日期。
see also double-header