0-4-0

noun

Under the Whyte notation system, the simplest form of steam locomotive, with two axles and four driving wheels, and no leading wheels or trailing wheels.

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Meanings

noun0-4-0 (plural 0-4-0s)

plural 0-4-0s

  1. Under the Whyte notation system, the simplest form of steam locomotive, with two axles and four driving wheels, and no leading wheels or trailing wheels.
Cite this entry
APA

0-4-0. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/0-4-0

MLA

“0-4-0.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/0-4-0. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “0-4-0,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/0-4-0.

Source: 0-4-0 on Wiktionary, CC BY-SA 4.0.