head·​er | \ ˈhe-dər \

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
2a : 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 (such 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 (such as a transistor)
3 : a fall or dive headfirst took a header into the pool
4 : a shot or pass in soccer made by heading the ball
b : information (such as a page number) printed or placed at the top of each page of a document — compare footer sense 2

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Examples of header in a Sentence

She tripped on the rock and took a header. He scored with a header past the goalie.

Recent Examples on the Web

The attacker then triggers the overflow by sending a standard advertising packet with one subtle change—a specific bit in the header is turned on instead of off. Dan Goodin, Ars Technica, "Bluetooth bugs bite millions of Wi-Fi APs from Cisco, Meraki, and Aruba," 1 Nov. 2018 In the case of French or double doors, FloridaDisaster.org advises installing additional barrel bolt latches that extend into the header and floor. Fox News, "Hurricane Florence: How to prepare your home for the worst," 12 Sep. 2018 Open the menu again and note that the new Style Sheet is displayed under the Custom banner between the headers called This Document and Built-In. Jd Sartain, PCWorld, "How to create and share custom Style Sheets in Word and PowerPoint," 8 Aug. 2018 Aguero nods in a header deep into the four minutes of injury time, and now Argentina will try frantically for an equalizer. Christopher Clarey, New York Times, "Messi Exits the World Cup. Hours Later, So Does Ronaldo.," 1 July 2018 There was the Arturo Álvarez header that drifted just above the crossbar before halftime. Glynn A. Hill, Houston Chronicle, "Dynamo defeat NTX Rayados in first U.S. Open Cup match," 6 June 2018 At the two double headers, captioning will be provided at the earlier show. Kaila White, azcentral, "Arizona Storytellers improves accessibility for guests with hearing loss at 2018 shows," 20 Mar. 2018 Pattie has a pic of her hugging her son as her twitter header. Kayleigh Roberts, Marie Claire, "Justin Bieber's Mom Removed Him from Her Twitter Bio and Liked a Tweet Shading Quick Engagements," 21 July 2018 Producers linked to Cyrus’ new music, like Miike WiLL Made It, Oren Yoel, and Andrew Wyatt have all blacked out their headers on Twitter too. Jessica Militare, Glamour, "Miley Cyrus Deleted Her Entire Instagram, and Fans Are Freaking Out," 15 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'header.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of header

15th century, in the meaning defined at sense 1

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Last Updated

20 Jan 2019

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Time Traveler for header

The first known use of header was in the 15th century

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More Definitions for header



English Language Learners Definition of header

: 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

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More from Merriam-Webster on header

Rhyming Dictionary: Words that rhyme with header

Thesaurus: All synonyms and antonyms for header

Nglish: Translation of header for Spanish Speakers

Britannica.com: Encyclopedia article about header

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