typedef

T1Y4P3E1D2E1F4
/ˈtaɪ̯pdɛf/

noun

A statement that declares a name for a data type.

Less commonScrabble 16
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Meanings

nountypedef (plural typedefs)

plural typedefs

  1. computingA statement that declares a name for a data type.
  2. computingA name that has been declared by such a statement.

Origin

From type and definition; originally a keyword in the C programming language.

Full word history & related roots →
Cite this entry
APA

typedef. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/typedef

MLA

“typedef.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/typedef. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “typedef,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/typedef.

Source: typedef on Wiktionary, CC BY-SA 4.0.