2-8-8-8-2 Definition
noun
Under the Whyte notation system, a steam locomotive that has two leading wheels, three sets of eight driving wheels, and a two trailing wheels.
Wiktionary
Under the Whyte notation system, a steam locomotive that has two leading wheels, three sets of eight driving wheels, and four trailing wheels.
Wiktionary
Other Word Forms of 2-8-8-8-2
Noun
Singular:
2-8-8-8-2
Plural:
2-8-8-8-2s, 2-8-8-8-4s