header in WordNet English dictionary

1. brick that is laid sideways at the top of a wall
   header  coping  cope 
   
2. 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"
   heading  header  head 
   
3. (soccer) the act of hitting the ball with your head
   header 
   
4. a headlong jump (or fall)
   "he took a header into the shrubbery"
   header 
   
5. a machine that cuts the heads off grain and moves them into a wagon
   header 
   
6. 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
   header 
   
7. horizontal beam used as a finishing piece over a door or window
   header  lintel