Word.ws English Dictionary

Co-Co

Co-Co noun: a wheel arrangement for diesel and electric locomotives signifying that a locomotive has six axles, each powered by a motor, on two bogies.

Noun

Co-Co (plural Co-Cos)

  1. A wheel arrangement for diesel and electric locomotives signifying that a locomotive has six axles, each powered by a motor, on two bogies.
    • With their high horsepower, the new Bo-Bos, of which six are on order for trial purposes, but which should ultimately number 50, will take over most of the Gotthard passenger workings from the 6,000 h.p. Co-Cos, permitting the latter to take a greater share of the steadily increasing freight...1961 March, “Talking of trains”, in Trains Illustrated, pages 136–137

Forms of Co-Co

pluralCo-Cos
alternative formC-C

Questions about Co-Co

What does Co-Co mean?
Co-Co means a wheel arrangement for diesel and electric locomotives signifying that a locomotive has six axles, each powered by a motor, on two bogies.
What part of speech is Co-Co?
Co-Co is a noun.
What is the plural of Co-Co?
The plural of Co-Co is Co-Cos.

Words near Co-Co in the dictionary

  1. co-channel interferences
  2. co-chief
  3. co-chiefs
  4. co-citation
  5. co-citations
  6. Co-Co
  7. co-codamol
  8. co-codaprin
  9. Co-Cola
  10. Co-Colas
  11. co-commander

Source and license

Adapted from Wiktionary: Co-Co (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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