mixed consist
n.— «Trolley officials had intended to couple 11 new, streamlined trolley cars to older models during busy periods for the Old Town to Santee run that opened in July 2005.…Now the bugs have been worked out, and trolley officials expect to begin operating what is called “a mixed consist” around Thanksgiving.» —“3 on executive committee may all be gone after vote” by Jeff Ristine San Diego Union-Tribune (California) Oct. 22, 2006. (source: Double-Tongued Dictionary)
Further reading
Trivia time! Where in the United States can you visit Soda City? If you answered Columbia, South Carolina, you’re right! This nickname apparently derives from an old practice of abbreviating Columbia as Cola. The locals then referred to the town as...
It’s hard to remember how to spell the names of some cities. Tallahassee, Florida, for example. Then there are towns with very few letters to remember. Y, a tiny town in northern France, has only two main streets, which come together to form...