# snake case

> English word · Noun

## Definitions
1. The practice of writing identifiers using underscores to separate words.

## Etymology
Coined in 2004 by Ruby programmer Gavin Kistner, from its resemblance to the long body of a snake, and by analogy with other naming schemes based on lower- and upper-case letters.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/snake-case