Dictionary.com
definitions
  • synonyms

unit train

See more synonyms on Thesaurus.com
noun
  1. a freight train of uniform consist that remains coupled, carrying a bulk commodity, as coal or wheat, to a specific destination and that after unloading returns to the point of origin ready for another load.
Show More

Origin of unit train

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018