Meaning

• Noun

  1. The power unit of a train that pulls the coaches or wagons.
  2. A traction engine.
  3. (slang) A cheer characterized by a slow beginning and a progressive increase in speed.
  4. Any of various early road vehicles, steam-powered, etc., forerunners of the modern car.
  5. A country which drives the world economy by having a high level of imports, such as the United States.

• Adj