Definitions
1.nounThe power unit of a train that pulls the coaches or wagons.
2.nounA traction engine
3.nounA cheer characterized by a slow beginning and a progressive increase in speed
4.nounA country which drives the world economy by having a high level of imports. (i.e. The United States).
5.adjectiveOf or relating to locomotion
6.adjectiveOf or relating to the power unit of a train which does not carry passengers or freight itself