2-6-0 Definition

noun
Under the Whyte notation system, a steam locomotive that has a pair of leading wheels followed by six driving wheels, with no trailing wheels.
Wiktionary
Under the Whyte notation system, a steam locomotive that has two leading wheels, six coupled driving wheels, and two trailing wheels.
Wiktionary
Under the Whyte notation system, a steam locomotive that has two leading wheels, six coupled driving wheels, and four trailing wheels.
Wiktionary
Under the Whyte notation system, a steam locomotive that has two leading wheels, six coupled driving wheels, and six trailing wheels.
Wiktionary

Other Word Forms of 2-6-0

Noun

Singular:
2-6-0
Plural:
2-6-0s, 2-6-2s, 2-6-4s, 2-6-6s