header

header
/ˈhedə(r); `hɛdɚ/ n
1 (infml 口) dive or fall (esp into water) with the head first 头部向下跳水或跌落（尤指入水）
    take a header into the swimming-pool 头先入水跳入游泳池.
2 (in football) act of hitting the ball with the head （足球运动中）用头顶球.

牛津英汉双解词典