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
Connecting the case to our motherboard are a power-button lead, an HD Audio header cable for the headset combo jack, a 19-pin USB 3.x for the Type-A ports, and a Gen 2x2 Type-E internal cable for the single Type-C external port.
—
PC Magazine, 31 May 2025
Prices range from $40,000 to $85,000, depending on mileage and condition, and almost all have had owners whose improvements—from headers and exhausts to removing the battering-ram bumpers and adding a luggage rack—have made the vehicles even better.
—Robert Ross, Robb Report, 30 May 2025
The Argentine timed his leap perfectly and glanced a header into the bottom corner of the Real Betis net.
—Thomas Schlachter, CNN Money, 28 May 2025
That character was tested early when Columbus struck first through Ibrahim Aliyu’s header in the 15th minute, a beautiful cross from Diego Rossi that could have sent Charlotte into familiar defensive collapse.
—Colin Cerniglia, Charlotte Observer, 25 May 2025
See All Example Sentences for header
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
PC Magazine, 31 May 2025
Prices range from $40,000 to $85,000, depending on mileage and condition, and almost all have had owners whose improvements—from headers and exhausts to removing the battering-ram bumpers and adding a luggage rack—have made the vehicles even better.
—Robert Ross, Robb Report, 30 May 2025
The Argentine timed his leap perfectly and glanced a header into the bottom corner of the Real Betis net.
—Thomas Schlachter, CNN Money, 28 May 2025
That character was tested early when Columbus struck first through Ibrahim Aliyu’s header in the 15th minute, a beautiful cross from Diego Rossi that could have sent Charlotte into familiar defensive collapse.
—Colin Cerniglia, Charlotte Observer, 25 May 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 4 Jun. 2025.
Copy CitationKids Definition
header
noun
head·er
ˈhed-ər 
: a fall or dive headfirst
took a header downstairs
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