2-6-4

noun

Under the Whyte notation system, a steam locomotive that has two leading wheels, six coupled driving wheels, and four trailing wheels.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noun2-6-4 (plural 2-6-4s)

plural 2-6-4s

  1. rail transportUnder the Whyte notation system, a steam locomotive that has two leading wheels, six coupled driving wheels, and four trailing wheels.
Cite this entry
APA

2-6-4. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/2-6-4

MLA

“2-6-4.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/2-6-4. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “2-6-4,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/2-6-4.

Source: 2-6-4 on Wiktionary, CC BY-SA 4.0.