header

名词 header:

1. a line of text serving to indicate what the passage below it is about
   同义词：heading, head
2. horizontal beam used as a finishing piece over a door or window
   同义词：lintel
3. brick that is laid sideways at the top of a wall
   同义词：coping, cope
4. a framing member crossing and supporting the ends of joists, studs, or rafters so as to transfer their weight to parallel joists, studs, or rafters
5. a machine that cuts the heads off grain and moves them into a wagon
6. (soccer) the act of hitting the ball with your head
7. a headlong jump (or fall)

head.er

n.（名词）
One that fits a head on an object.
装盖者：将盖子装在某个物体上的人（物）
One that removes a head from an object, especially a machine that reaps the heads of grain and passes them into a wagon or receptacle.
割穗机，收割台：将某物体的头状物除去的人（物），尤指将谷物头部收割下来并送入货车或容器中的机器
A pipe that serves as a central connection for two or more smaller pipes.
集管：用来在中间联接两个或多个小管的管子
A floor or roof beam placed between two long beams that supports the ends of the tailpieces.
顶梁，楣：两根长梁之间用来支撑梁尾端的一块地板或顶梁
A brick laid across rather than parallel with a wall.
露头砖：垂直而不是平行于墙根放置的砖块
Informal A headlong dive or fall.
【非正式用语】 头朝下跳水或掉落
Sports A pass or shot made in soccer by heading the ball.
【体育运动】 头球：足球赛中用头顶球来完成的传球或射门
Computer Science Printed matter or information, such as a title, date, or page number, positioned in the top margin of a page and usually repeated throughout a document, especially a document composed on a word-processing system.
【计算机科学】 页首，页眉：置于每一页的顶端空白处的打印内容或打印信息（如标题、日期或页码），并且在整个文件中，特别是通过文字处理系统做成的文件中经常重复出现
A raised tank or hopper that maintains a constant pressure or supply to a system, especially the small tank that supplies water to a central heating system.
蓄水塔：一个处于高处的用以维持某系统的稳压或供给状况的水箱或漏斗，尤指将水供给中央供暖系统的小水箱