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
: a fall or dive headfirst
took a header into the pool
4
: a shot or pass in soccer made by heading the ball
5
b
: information (such as a page number) printed or placed at the top of each page of a document compare footer sense 2
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
Saturday brings a quadruple header of Stanley Cup Playoffs action, including the first elimination game of the postseason.
—
Shayna Goldman, New York Times, 26 Apr. 2025
The developers have added custom scripts and HTTP headers to minimize visibility to security scanners.
—Zak Doffman, Forbes.com, 25 Apr. 2025
Josef Martinez finished off a perfect pass in behind and Chicho Arango’s header made it 3-2.
—Daniel Sperry, Kansas City Star, 20 Apr. 2025
The integral fan hub also takes its cues from a motherboard PWM fan header.
—PC Magazine, 19 Apr. 2025
See All Example Sentences for header
Examples are automatically compiled from online sources to
show current usage.
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Shayna Goldman, New York Times, 26 Apr. 2025
The developers have added custom scripts and HTTP headers to minimize visibility to security scanners.
—Zak Doffman, Forbes.com, 25 Apr. 2025
Josef Martinez finished off a perfect pass in behind and Chicho Arango’s header made it 3-2.
—Daniel Sperry, Kansas City Star, 20 Apr. 2025
The integral fan hub also takes its cues from a motherboard PWM fan header.
—PC Magazine, 19 Apr. 2025
See All Example Sentences for header
Cite this Entry
“Header.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/header. Accessed 29 Apr. 2025.
Copy CitationKids Definition
header
noun
head·er
ˈhed-ər 
: a fall or dive headfirst
took a header downstairs
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