header

  1. Noun.  The upper portion of a page (or other) layout.
  2. Noun.  Text, or other visual information, used to mark off a quantity of text, often titling or summarizing it.
  3. Noun.  Text, or other visual information, that goes at the top of a column of information in a table.
  4. Noun.  (informal) A font, text style, or typesetting used for any of the above.
  5. Noun.  a brick that is laid sideways at the top of a wall or within the brickwork with the short side showing; compare stretcher.
  6. Noun.  a horizontal structural or finish piece over an opening.
  7. Noun.  a machine that cuts the heads off of grain etc.
  8. Noun.  (soccer) the act of hitting the ball with the head.
  9. Noun.  a headlong fall or jump.
  10. Noun.  (computing) the first part of a file or record that describes its contents.
  11. Noun.  (networking) the first part of a packet, often containing its address and descriptors.
  12. Noun.  A raised tank that supplies water at constant pressure, especially to a central heating and hot water system.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.