header

[ hed-er ]

noun

1. a person or thing that removes or puts a head on something.
2. a reaping machine that cuts off and gathers only the heads of the grain.
3. a chamber to which the ends of a number of tubes are connected so that water or steam may pass freely from one tube to the other.
4. Automotive. an exhaust manifold.
5. Building Trades.
   1. a brick or stone laid in a wall or the like so that its shorter ends are exposed or parallel to the surface. Compare stretcher ( def 5 ).
   2. 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.
6. Informal. a plunge or dive headfirst, as into water:

   He stumbled and took a header into the ditch.

7. Soccer. a pass or shot made by heading the ball.
8. a sign that is part of or attached to the top of a rack displaying merchandise.
9. Computers. a line of information placed at the top of a page for purposes of identification.

header

/ ˈhɛdə /

noun

1. Also calledheader tank a reservoir, tank, or hopper that maintains a gravity feed or a static fluid pressure in an apparatus
2. a manifold for distributing a fluid supply amongst a number of passages
3. a machine that trims the heads from castings, forgings, etc, or one that forms heads, as in wire, to make nails
4. a person who operates such a machine
5. See stretcher
   a brick or stone laid across a wall so that its end is flush with the outer surface Compare stretcher
6. the action of striking a ball with the head
7. informal.
   a headlong fall or dive
8. computing
   1. a block of data on a tape or disk providing information about the size, location, etc, of a file
   2. ( as modifier )

      header label

      header card

9. dialect.
   a mentally unbalanced person

Word History and Origins

Origin of header¹

First recorded in 1400–50, header is from the late Middle English word heder. See head, -er ¹

Example Sentences

Just to the right of the 40-pin GPIO header, you can see the Pi 400's SD card slot.

From Ars Technica

According to the announcement, filter link extensions mean “Advertisers can present many different features under categorized headers so that users can quickly navigate to their key products and offerings.”

From Search Engine Land

Since many developers put scripts in their headers, this delays page loading significantly.

From Search Engine Watch

One of the ways Google may have been able to halt the momentum of header bidding, effectively eliminating the threat of it chipping away at the company’s ad revenue, was to cut a deal with Facebook.

From Search Engine Land

This mindset is also why Xandr collaborated to bring Prebid as an open standard header bidding solution for display inventory several years ago and why the work continues on a similar open standard for OTT.

From Digiday

The sub-header is that his GOP opponent raised some eyebrows when he seemed to call for the conversion of Hindus to Christianity.

From The Daily Beast

The sub-header ties together all the far-right wingnut anxieties about President Obama.

From The Daily Beast

He scored the decisive header against Brazil, even though he was the shortest man on the field.

From The Daily Beast

In posting the message header he received, Morrissey included the email address from which the messages originated.

From The Daily Beast

These portions equal a half header in width, and are called queen closers; they are placed next to the first header.

From Project Gutenberg

They are cut on the splay so that the front end is half the width of a header and one side half the length of the brick.

From Project Gutenberg

After breakfast Clifford drove the header to the wheat-field, which soon presented an animated and busy scene.

From Project Gutenberg

Matt was on his feet in a jiffy, and whirled just in time to see Chub take a header from the rock pile.

From Project Gutenberg

The pipe is brought down and connected into the end of a header.

From Project Gutenberg

Related Words

• dunk