名詞 header:

1. a line of text serving to indicate what the passage below it is about
   同義詞：heading, head
2. horizontal beam used as a finishing piece over a door or window
   同義詞：lintel
3. brick that is laid sideways at the top of a wall
   同義詞：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.（名詞）
One that fits a head on an object.
裝蓋者：將蓋子裝在某個物體上的人（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.
割穗機(jī)，收割臺：將某物體的頭狀物除去的人（物），尤指將谷物頭部收割下來并送入貨車或容器中的機(jī)器
A pipe that serves as a central connection for two or more smaller pipes.
集管：用來在中間聯(lián)接兩個或多個小管的管子
A floor or roof beam placed between two long beams that supports the ends of the tailpieces.
頂梁，楣：兩根長梁之間用來支撐梁尾端的一塊地板或頂梁
A brick laid across rather than parallel with a wall.
露頭磚：垂直而不是平行于墻根放置的磚塊
Informal A headlong dive or fall.
【非正式用語】 頭朝下跳水或掉落
Sports A pass or shot made in soccer by heading the ball.
【體育運(yùn)動】 頭球：足球賽中用頭頂球來完成的傳球或射門
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.
【計(jì)算機(jī)科學(xué)】 頁首，頁眉：置于每一頁的頂端空白處的打印內(nèi)容或打印信息（如標(biāo)題、日期或頁碼），并且在整個文件中，特別是通過文字處理系統(tǒng)做成的文件中經(jīng)常重復(fù)出現(xiàn)
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：一個處于高處的用以維持某系統(tǒng)的穩(wěn)壓或供給狀況的水箱或漏斗，尤指將水供給中央供暖系統(tǒng)的小水箱