from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To undergo or provide training in different tasks or skills: The department has cross-trained in firefighting and emergency medical services.
  • intransitive v. To train in different sports, mainly by alternating regimens, as in running, bicycling, and swimming.
  • transitive v. To train (another) in different tasks or skills.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To train in a different task, skill or sport
  • v. To train in a variety of tasks, skills or sports


Sorry, no etymologies found.



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