4-4-6 Definition

noun

Under the Whyte notation system, a duplex steam locomotive that has four leading wheels in a leading truck followed by four coupled driving wheels, a second set with six coupled driving wheels, and four trailing wheels in a trailing truck.

Wiktionary

Other Word Forms of 4-4-6

Noun

Singular:

4-4-6

Plural:

4-4-6-4s

Words Near 4-4-6 in the Dictionary

4-3-suspension
4-4
4-4-4
4-4-6
4-6-4
4-6-6-2
420
45