Noun

(en noun)

A heading or title of an article.

* {{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=76, magazine=(The Economist)

, title= Snakes and ladders , passage=Risk is everywhere. From tabloid headlines insisting that coffee causes cancer (yesterday, of course, it cured it) to stern government warnings about alcohol and driving, the world is teeming with goblins. For each one there is a frighteningly precise measurement of just how likely it is to jump from the shadows and get you.}}

(entertainment) The top-billed attraction.

(nautical) A headrope.

Noun

(en noun)

The upper portion of a page (or other) layout.

If you reduce the header of this document, the body will fit onto a single page.

Text, or other visual information, used to mark off a quantity of text, often titling]] or [[summarize, summarizing it.

Your header is too long; "Local Cannibals" will suffice.

Text, or other visual information, that goes at the top of a column of information in a table.

That column should have the header "payment status".

(informal) A font, text style, or typesetting used for any of the above.

Parts of speech belong in a level-three header . Level-two headers are reserved for the name of the language.

a brick that is laid sideways at the top of a wall or within the brickwork with the short side showing; compare stretcher

This wall has four header courses.

a horizontal structural or finish piece over an opening

a machine that cuts the heads off of grain etc

They fed the bale into the header .

(soccer) the act of hitting the ball with the head

His header for the goal followed a perfect corner kick.

*{{quote-news

, year=2011 , date=October 1 , author=Phil Dawkes , title=Sunderland 2 - 2 West Brom , work=BBC Sport citation , page= , passage=The Black Cats had a mountain to climb after James Morrison's header and Shane Long's neat side-foot finish gave Albion a 2-0 lead five minutes in.}}

a headlong fall or jump

''The clown tripped over the other clown and took a header .

(computing) the first part of a file or record that describes its contents

The header includes an index, an identifier, and a pointer to the next entry.

(networking) the first part of a packet, often containing its address and descriptors

The encapsulation layer adds an eight-byte header and a two-byte trailer to each packet.

A raised tank that supplies water at constant pressure, especially to a central heating and hot water system

A pipe which connects several smaller pipes.

Common practice is to use plastic pipes with iron headers .