header
//ˈhɛdər//
Noun
headerSingular
headersPlural
1
A shot or pass made by hitting the ball with one's head, especially in soccer.
He scored with a powerful header.
2
A line or block of text appearing at the top of each page of a book or document.
The header of the document includes the company name and page number.
3
A brick or stone laid at right angles to the face of a wall.
The mason placed each header carefully to strengthen the wall.
4
A headfirst fall or dive.
He tripped on the step and took a header into the pool.
5
In computing, a section of data at the beginning of a file or data packet containing metadata.
The header of the file contains important metadata such as the file size and creation date.