from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A race, as of motorcycles, that tests endurance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A motorcycle sport run on predominantly off-road courses, with many obstacles and challenges.
- n. A particular race or event in the sport of enduro.
Shortening and alteration of endurance.(American Heritage® Dictionary of the English Language, Fourth Edition)