Dictionary

header

noun head·er \ˈhe-dər\

: a word, phrase, etc., that is placed at the beginning of a document, passage, etc., or at the top of a page

: a fall in which your head hits the ground

soccer : a shot or pass made by hitting the ball with your head

Full Definition of HEADER

1
:  one that removes heads; especially :  a grain-harvesting machine that cuts off the grain heads and elevates them to a wagon
2
a :  a brick or stone laid in a wall with its end toward the face of the wall
b :  a beam fitted at one side of an opening to support free ends of floor joists, studs, or rafters
c :  a horizontal structural or finish piece over an opening :  lintel
d :  a conduit (as an exhaust pipe for a many-cylindered engine) into which a number of smaller conduits open
e :  a mounting plate through which electrical terminals pass from a sealed device (as a transistor)
3
:  a fall or dive headfirst
4
:  a shot or pass in soccer made by heading the ball
5
:  head 15a(1)
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First Known Use of HEADER

15th century
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