header

noun

head·​er ˈhe-dər 

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 (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

informal : a fall or dive headfirst

took a header into the pool

4

: a shot or pass in soccer made by heading the ball

5

a

: head sense 15a(1)

b

: information (such as a page number) printed or placed at the top of each page of a document compare footer sense 2

Synonyms of header

• title
• caption
• heading
• headline

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

Some might have expected Declan Rice alone to win those headers or harass the opposition in that manner, but the partnership between these two is about more than just Zubimendi allowing the England midfielder to burst into goalscoring areas. —Thom Harris, New York Times, 7 Jan. 2026

That includes usernames, passwords, card details, personal information, session cookies from HTTP headers and API tokens pulled directly from network requests. —Kurt Knutsson, FOXNews.com, 5 Jan. 2026

Laura Dern is basking in an awards season double header. —Stephen Schaefer, Boston Herald, 16 Dec. 2025

Ginsberg could tweak the header typography, lighten background colors, or apply a gradient in real time using the same controls Cursor offers for in-progress apps. —Maxwell Zeff, Wired News, 11 Dec. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing header

• triple-header

Rhymes for header

• cheddar
• pedder
• redder
• shredder
• spreader

Kids Definition

header

noun

head·​er ˈhed-ər 

: a fall or dive headfirst

took a header downstairs