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
Twenty-two seconds later, Tsimikas’ corner found Jota lurking, perfectly placed to glance in a header and settle Liverpool’s No 9 debate.
—
Phil Hay, The Athletic, 15 Jan. 2025
Players were incorrectly able to do precision lobs off of headers, which could result in headers launching enormous distances across the field.
—Tommy Tuberville, Newsweek, 8 Jan. 2025
Permitting untrusted headers or incorrectly using Access-Control-Allow-Credentials can increase exposure.
—Yaamini Barathi Mohan, Forbes, 19 Dec. 2024
Two iconic festivals — Form Arcosanti and VIVA PHX — returned to active duty in 2024 after lengthy absences while Innings Festival went into Extra Innings for a double header on back-to-back weekends at Tempe Beach Park and Arts Park in March.
—Ed Masley, The Arizona Republic, 13 Dec. 2024
See all Example Sentences for header 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Phil Hay, The Athletic, 15 Jan. 2025
Players were incorrectly able to do precision lobs off of headers, which could result in headers launching enormous distances across the field.
—Tommy Tuberville, Newsweek, 8 Jan. 2025
Permitting untrusted headers or incorrectly using Access-Control-Allow-Credentials can increase exposure.
—Yaamini Barathi Mohan, Forbes, 19 Dec. 2024
Two iconic festivals — Form Arcosanti and VIVA PHX — returned to active duty in 2024 after lengthy absences while Innings Festival went into Extra Innings for a double header on back-to-back weekends at Tempe Beach Park and Arts Park in March.
—Ed Masley, The Arizona Republic, 13 Dec. 2024
See all Example Sentences for header
Dictionary Entries Near header
Cite this Entry
“Header.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/header. Accessed 23 Jan. 2025.
Copy CitationKids Definition
header
noun
head·er
ˈhed-ər 
: a fall or dive headfirst
took a header downstairs
Love words? Need even more definitions?
Merriam-Webster unabridged
Share