header file

noun

A file, usually in the form of source code, that is automatically included in another source file by the compiler.

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Meanings

nounheader file (plural header files)

plural header files

  1. computingA file, usually in the form of source code, that is automatically included in another source file by the compiler.
  2. computingA file that contains declarations but no implementations.

Translations

Czech hlavičkový soubor
  • hlavičkový souborfile that is automatically included in another source file
Finnish otsikkotiedosto
  • otsikkotiedostofile that is automatically included in another source file
German Header-Datei
  • Header-Dateifile that is automatically included in another source file
Polish plik nagłówkowy
  • plik nagłówkowyfile that is automatically included in another source file
Swedish headerfil
  • headerfilfile that is automatically included in another source file
Cite this entry
APA

header file. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/header%20file

MLA

“header file.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/header%20file. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “header file,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/header%20file.

Source: header file on Wiktionary, CC BY-SA 4.0.