head·er /ˈhɛdɚ/
 頁眉,功能變數名稱首領,隊長,收割台;  數據包的開始部分,(包含發送及接收位址及其它錯誤檢查、認證等等資訊)
 header
 表頭; 頁眉
 header
 首錄
 header
 標頭
 Head·er n.
 1. One who, or that which, heads nails, rivets, etc., esp. a machine for heading.
 2. One who heads a movement, a party, or a mob; head; chief; leader. [R.]
 3. Arch. (a) A brick or stone laid with its shorter face or head in the surface of the wall. (b) In framing, the piece of timber fitted between two trimmers, and supported by them, and carrying the ends of the tailpieces.
 4. A reaper for wheat, that cuts off the heads only.
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 header
      n 1: a line of text serving to indicate what the passage below it
           is about; "the heading seemed to have little to do with
           the text" [syn: heading, head]
      2: horizontal beam used as a finishing piece over a door or
         window [syn: lintel]
      3: brick that is laid sideways at the top of a wall [syn: 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); "he took a header into the
         shrubbery"