from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To leave or cause to leave a railroad train.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To exit from a train; to disembark
- v. to remove a passenger or passengers from a train; to evacuate passengers from a train.
- v. to reduce one's training, particularly during the offseason, in preparation for a cycle of retraining.
from the GNU version of the Collaborative International Dictionary of English
- v. To alight, or to cause to alight, from a railway train.
from The Century Dictionary and Cyclopedia
- To remove from or cause to leave a railway train: said especially of bodies of men: as, to detrain troops.
- To quit a railway train: as, the volunteers detrained quickly and fell into line.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. leave a train
de- + train (Wiktionary)